The international airport servicing Dammam, Saudi Arabia, is King Fahd International Airport, sometimes referred to as Dammam International Airport, Dammam Airport, or simply King Fahd Airport. The airport, which bears Fahd ibn Abdulaziz's name, is situated 19 miles (31 kilometers) northwest of the center of Dammam. One of the three main international airports in Saudi Arabia, the airport services the entire Eastern Province of the country. Even though the airport building itself is just 327,000 m2, King Fahd International is the largest airport in the world in terms of land area, covering over 776 square kilometers (300 square miles).

The airport has three terminal buildings and two 4 km (2.5 km) long runways. The Passenger Terminal handles general passenger traffic, the Aramco Terminal handles employee boarding for Saudi Aramco Aviation, and the Royal Terminal is only accessible by the Saudi royal family. With 70 flights each week, the busiest route between Dammam and other cities is to and from Dubai.

In Saudi Arabia, King Fahd International Airport was the first to introduce duty-free shopping. The airport features a distinct section for businesses that specialize in the selling of gifts and all passenger-related goods in addition to the spaces designated for duty-free shops. The arrivals level is where you'll find banks, cafeterias, and restaurants. However, since there are no import or sales taxes on any goods in the Kingdom, the distinction is mostly meaningless.

Area: 776 km²
Location: Northwestern portion of Dammam Governorate; 31 km northwest of downtown Dammam

The next position on the list of the largest airports in the world is the Denver International Airport which is a major gateway to the Front Range Urban Corridor and the metropolitan area of Denver, Colorado, in the Western United States. It is the second-biggest airport in the world (after King Fahd International Airport) and the largest airport in North America by land area at 135.7 km2. With a length of 4.88 km, Runway 16R/34L is the seventh-longest runway in the world and the longest public runway in North America. It replaced the original Stapleton International Airport, which was located 31 km from downtown Denver. The airport is really closer to the City of Aurora than to downtown Denver, and many airport-related services, such as hotels, are situated in Aurora.

The fourth airport in the US to serve more than 200 destinations, Denver International Airport was opened in 1995 and today offers non-stop service to 215 locations on 23 different airlines' routes throughout North America, Latin America, Europe, and Asia. Southwest Airlines' primary operational base is at the airport, which also serves as a significant hub for United Airlines and Frontier Airlines. The airport is Colorado's largest employer with nearly 35,000 workers. In close proximity to the Front Range of the Rocky Mountains, the airport is situated on the western side of the Great Plains.

Area: 135.7 km2
Location: Northeast Denver, Colorado, United States

The principal international airport serving the Dallas/Fort Worth metroplex and the North Texas Region in the U.S. state of Texas is Dallas/Fort Worth International Airport, also known as DFW Airport. According to Airports Council International, it will be the second-busiest airport for passenger traffic and the third-busiest airport in the world for aircraft movements in 2021. It is the main hub for American Airlines, whose headquarters are close to the airport.

It is Texas' second-busiest international gateway and the ninth-busiest international gateway in the entire US. The second-largest airline hub in the world and in the United States is operated by American Airlines at DFW, trailing only the hub of Delta Air Lines in Atlanta.

Approximately midway between the large cities of Dallas and Fort Worth, DFW encompasses parts of Irving, Euless, Grapevine, and Coppell as well as Dallas and Tarrant counties. DFW International Airport is the second-largest airport in terms of land area in the United States, behind Denver International Airport, and is bigger than the island of Manhattan at 6,963 hectares. It has its own police, fire protection, and emergency medical services, as well as its own post office ZIP code, 75261, and United States Postal Service city designation.

Area: 69.63 km²

Location: Dallas and Tarrant counties, Texas, United States

The next position on the list of the largest airports in the world is the Orlando International Airport situated 10 kilometers (6 miles) southeast of Downtown Orlando, Florida. It was the busiest airport in the state and the tenth busiest airport in the country in 2019 with 50,613,072 passengers handled. The airport's former name, McCoy Air Force Base, a Strategic Air Command (SAC) post that was shut down in 1975 as part of a general military drawdown following the conclusion of the Vietnam War, is represented by the airport code MCO.

The airport acts as a central city for Frontier Airlines, a hub for Silver Airways, and an operating base for JetBlue, Southwest, and Spirit Airlines. By the number of passengers transported, Southwest is the airport's top airline. With more than 850 daily flights on 44 carriers, the airport also serves as a significant international entry point for the mid-Florida region. Additionally, 135 local and foreign destinations are served by the airport. MCO is one of the largest commercial airports in the United States in terms of land size, with a total of 5,100 ha. United Airlines also has a maintenance facility at the airport. Up until 2007, the airport served as a hub for Delta Air Lines.

Area: 53.83 km²
Location: Orlando, Florida, United States

Washington Dulles International Airport, also known as Dulles International Airport, Dulles Airport, Washington Dulles, or simply Dulles, is a major hub for international travel in the Eastern United States. It is situated in the Virginian counties of Loudoun and Fairfax, 42 kilometers west of the capital city.

It was established in 1962 and is named after John Foster Dulles, the 52nd Secretary of State of the United States who served under President Dwight D. Eisenhower (1888–1959). Eero Saarinen, who also designed the renowned TWA terminal at New York's JFK airport, is credited with creating the Dulles main terminal, a well-known landmark. The Metropolitan Washington Airports Authority manages the 52.6 km2 Washington Dulles Airport, which is located on the Loudoun-Fairfax border. The airport is located primarily in the unincorporated area of Dulles in Loudoun County, with a minor fraction also located in Chantilly in Fairfax County.

Some of Dulles' domestic routes have been weakened by increased domestic travel from Reagan National Airport. In terms of overall enplanements, Dulles passed Reagan in 2019. However, after seeing a decline in traffic since 2015, Dulles Airport surpassed Ronald Reagan Washington National Airport (DCA) in terms of annual passenger boardings in 2018. In terms of total yearly passenger boardings, it is still second only to Baltimore/Washington International Thurgood Marshall Airport (BWI).

Area: 48.56 km²
Location: Dulles, Virginia, United States

Beijing is served by two international airports: Beijing Capital International Airport and Beijing Capital International Airport (PEK). It is situated between Beijing and Langfang, in the province of Hebei. It is known as "the starfish." On September 26, 2019, it started operating after being finished on June 30, 2019.

The airport, which serves Beijing, Tianjin, and Hebei, is located 46 kilometers south of Tiananmen Square, 26 kilometers west of downtown Langfang, 50 kilometers northeast of Xiong'an New Area, and 65 kilometers south of Beijing Capital International Airport. While the majority of Star Alliance members[a] have remained at Beijing Capital International, as has Hainan Airlines, it serves as a hub for SkyTeam alliance airlines and some Oneworld members.

The US$11.4 billion facility, which took nearly five years to complete, has the largest single-building airport terminal in the world with a 700,000 m2 terminal and occupies 47 km2 of land. The airport was given the Airports Council International prize for Asia-best Pacific airport in terms of cleanliness in 2020. Beijing Daxing International Airport is one of the largest airports in the world.

Area: 47 km²
Location: Daxing, Beijing & Guangyang, Langfang (Hebei)

The Greater Houston metropolitan region is served by George Bush Intercontinental Airport, an international airport in Houston, Texas, in the United States. George Bush Intercontinental Airport, with direct access to the Hardy Toll Road expressway, is situated about 37 km north of Downtown Houston between Interstates 45 and 69/U.S. Highway 59.

It offers scheduled flights to several domestic and international locations on five different continents. It is the second busiest airport in Texas overall, the 12th busiest in the United States for total passenger traffic, and the busiest airport in Texas for the volume of foreign passenger traffic and the number of international destinations.

In 1997, Houston native and 41st President of the United States George H. W. Bush had the airport, which had previously been known as Houston Intercontinental Airport, renamed in his honor. IAH has five runways and 4,000 hectares of land. One of United Airlines' busiest passenger hubs is Houston Intercontinental. George Bush Intercontinental Airport is one of the largest airports in the world.

Area: 44.51 km²
Location: Houston, Texas, United States

One of Shanghai's two international airports and a significant East Asian aviation center is Shanghai Pudong International Airport. Shanghai-Hongqiao, the city's other major airport, primarily handles domestic and regional flights in East Asia, while Pudong Airport handles both international flights and a smaller number of domestic flights. Pudong Airport is a 40-square-kilometer facility located in eastern Pudong, roughly 30 kilometers east of the city's core and close to the sea. Shanghai Airport Authority runs the airport.

The airport serves as the primary international hub for Air China, the primary domestic hub for China Eastern Airlines, the primary hub for Shanghai Airlines, and the secondary hub for China Southern Airlines. Additionally, it serves as the hub for privately held Juneyao Airlines and Spring Airlines as well as FedEx, UPS, and DHL's Asia-Pacific cargo hub. According to reports, the DHL hub, which was inaugurated in July 2012, is the biggest express hub in Asia.

Four operable parallel runways were located on either side of Pudong Airport's two main passenger terminals. The airport's yearly capacity will increase from 60 million to 80 million people and six million tons of freight when a third passenger terminal, a satellite terminal, and two more runways open in 2021.

Area: 39.88 km²
Location: Pudong, Shanghai

The primary international airport serving Cairo is Cairo International Airport, which is also Egypt's largest and busiest airport. It serves as the main hub for several other airlines, including EgyptAir, Nile Air, and others. The airport has an area of around 37 km2 and is situated in Heliopolis, northeast of Cairo, about fifteen kilometers from the city's economic district.

Being the main entrance to Egypt's capital city and its destination, Cairo Airport is becoming increasingly important internationally. As such, it is working with various interested governmental, security, airline, and business parties to realize performance integrity while fostering customer loyalty for Egyptian Civil Aviation, which is governed by a number of laws, regulations, and rules. They expect that resources be used as efficiently as possible while also achieving sustainable growth for the company and its customers.

The structure has a mezzanine, a first floor, and a ground floor. Three phases have been established for the task scope. The ground floor renovation was the first phase, which was finished in March 2002. The airport continued to operate normally throughout this time. The primary entrances, a bar, a café, the majority of the duty-free shops, boutiques, and the transit and transfer facilities are located on the ground floor. The building of the upper floor, which houses lounges, cafes, and the parking area, was the focus of the second phase, which began in June 2003. The lounges for first and business class will be on the mezzanine floor. Travelers in economy class will pay for lounge access; each lounge has a distinct theme, including Italian, British, American, French, and Arabic. A lavish VIP lounge will also be available to accommodate all tastes. By the end of 2003, the third phase, which included duty-free stores and a 1960s-style cafe with a view of the runway, was finished.

Area: 36.25 km²
Location: Sheraton, Sheraton Al Matar, El Nozha, Egypt

One of two international airports serving the Bangkok Metropolitan Region is Suvarnabhumi Airport, sometimes known unofficially as Bangkok Airport. The other is Don Mueang International Airport (DMK), which is still operational as a hub for low-cost airlines. One of the largest international airports in Southeast Asia and a regional aviation center, Suvarnabhumi Airport has a 3,240 ha land area. The airport is a significant hub for air cargo (20th busiest in 2019), and it is also an Airport Free Zone with access to Motorway 7 and the Eastern Economic Corridor (EEC).

In addition to serving as the operating base for Thai Vietjet Air, Thai AirAsia, and Thai AirAsia X, the airport serves as the primary hub for Thai Airways International, Thai Smile, and Bangkok Airways. Additionally, it acts as a regional hub and point of connection for numerous international carriers flying to Asia, Oceania, Europe, and Africa.

On September 15, 2006, Suvarnabhumi began offering limited domestic flight service; on September 28, 2006, it began accepting most domestic and all international commercial flights.

Area: 32.4 km²
Location: Racha Thewa, Bang Phli, Samut Prakan and Lat Krabang, Bangkok