Covering approximately 780 square kilometers, King Fahd International Airport in Dammam is the largest airport in the world by area. Facebook

Spanning about 135.7 square kilometers, Denver International Airport is the second-largest globally and the largest in the United States.

With an area of around 69.6 square kilometers, DFW Airport ranks third worldwide and serves as a major hub in Texas.

Covering approximately 53.8 square kilometers, Orlando International Airport is the fourth-largest by area and a key gateway to Florida.

Spanning about 48.6 square kilometers, Washington Dulles International Airport ranks fifth globally and serves the U.S. capital region.

Covering around 47 square kilometers, Beijing Daxing International Airport is the sixth-largest and features a unique starfish-shaped terminal.

With an area of approximately 44.5 square kilometers, George Bush Intercontinental Airport in Houston ranks seventh worldwide.

Spanning about 40 square kilometers, Shanghai Pudong International Airport is the eighth-largest and a major international gateway in China.

Covering approximately 37 square kilometers, Cairo International Airport ranks ninth globally and is the busiest airport in Egypt.

With an area of around 32.4 square kilometers, Suvarnabhumi Airport in Bangkok is the tenth-largest airport by area in the world.