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April 2022
Hartsfield-Jackson Atlanta International may be the busiest but not even one of the top 10 largest airports by land area. At over 52 square miles, Denver has the country's largest foot print by far and is twice as large as Dallas-Fort Worth International, the second biggest airport--and about 7 times larger than the world's busiest airport.
| Airport Name | Land Area (sq mi) | Total Runways | |
| 1. | Denver International (DEN) | 52.38 | 6 |
| 2. | Dallas-Ft. Worth International (DFW) | 26.9 | 4 |
| 3. | Washington Dulles International (IAD) | 20.3 | 4 |
| 4. | Pittsburgh International (PIT) | 20.15 | 4 |
| 5. | George Bush Intercontinental/Houston (IAH) | 17.19 | 5 |
| 6. | Orlando International (MCO) | 19.21 | 4 |
| 7. | Kansas City International (MCI) | 16.69 | 3 |
| 8. | Oklahoma City International (OKC) | 12.62 | 2 |
| 9. | Jacksonville International (JAX) | 12.36 | 2 |
| 10. | Detroit Metropolitan Wayne County (DTW) | 12.18 | 6 |
| 11. | Cincinnati/Northern Kentucky International (CVG) | 12.03 | 4 |
| 11. | Salt Lake City International (SLC) | 12.03 | 4 |
| 12. | Chicago-O'Hare International (ORD) | 11.25 | 8 |
| 13. | El Paso International (ELP) | 10.42 | 3 |
| 14. | Charlotte Douglas International (CLT) | 8.68 | 4 |
| 15. | San Francisco International (SFO) | 8.14 | 4 |
| 16. | Raleigh-Durham International (RDU) | 7.81 | 2 |
| 17. | John F. Kennedy International (JFK) | 7.7 | 4 |
| 18. | Hartsfield-Jackson Atlanta International (ATL) | 7.34 | 5 |
| 19. | Ted Stevens Anchorage International (ANC) | 7.2 | 3 |
| 20. | Austin-Bergstrom International (AUS) | 6.63 | 2 |
Figures are based on latest reports from airlines and or airports listed.
