Top 10 Largest Airports in the World by Land Area (in square miles):
- King Fahd International (DMM) — Dammam, Saudi Arabia — 776 km2 (299.61 mi2)
- Denver International (DEN) — Denver, CO United States — 135.7 km2 (53.09 mi2)
- Dallas/Fort Worth International (DFW) — Dallas, TX United States — 69.6 km2 (26.88 mi2)
- Orlando International (MCO) — Orlando, FL United States — 53.8 km2 (20.78 mi2)
- Washington Dulles International (IAD) — Washington D.C., United States — 48.6 km2 (18.75 mi2)
- Beijing Daxing International (PKX) — Beijing, China — 46.6 km2 (18 mi2)
- George Bush Intercontinental (IAH) — Houston, TX United States — 44.5 km2 (17.19 mi2)
- Shanghai Pudong International (PVG) — Shanghai, China — 39.9 km2 (15.4 mi2)
- Cairo International (CAI) — Cairo, Egypt — 36.3 km2 (14 mi2)
- Suvarnabhumi International (BKK) — Bangkok, Thailand — 32.4 km2 (12.51 mi2)
In terms of overall size, the King Fahd International Airport in Dammam, Saudi Arabia is the world’s biggest airport by an overwhelming margin. Taking up nearly 300 square miles, this former United States airbase very nearly matches the area of all five boroughs of New York City put together (302.6 mi2). Its facilities include an onsite mosque capable of accommodating up to 2,000 worshippers at a time, a residential community that can support up to 3,000, and onsite greenhouses that supply the plant materials for the site’s landscaping.
Despite its massive footprint and impressive facilities, King Fahd International hosts only about 9.7 million passengers annually, which places it well outside the top 100 in the world in terms of traffic. In fact, King Fahd International is the third-busiest airport in Saudi Arabia. The most busy Airport is the King Abdulaziz International airport in Jeddah which sees 41 million passengers annually, many of whom seek pilgrimage to the holy city of Mecca.
