| Irun to Fort Meade (Maryland) | 3,771.96 mi (6,070.38 km) |
| Irun to Fort Mill (South Carolina) | 4,118.83 mi (6,628.61 km) |
| Irun to Fort Mohave (Arizona) | 5,570.60 mi (8,965.01 km) |
| Irun to Fort Morgan (Colorado) | 4,895.25 mi (7,878.14 km) |
| Irun to Fort Myers (Florida) | 4,502.70 mi (7,246.40 km) |
| Irun to Fort Oglethorpe (Georgia) | 4,322.03 mi (6,955.64 km) |
| Irun to Fort Payne (Alabama) | 4,362.00 mi (7,019.96 km) |
| Irun to Fort Pierce (Florida) | 4,396.20 mi (7,075.00 km) |
| Irun to Fort Smith (Arkansas) | 4,716.48 mi (7,590.44 km) |
| Irun to Fort Thomas (Kentucky) | 4,123.86 mi (6,636.71 km) |
| Irun to Fort Walton Beach (Florida) | 4,571.88 mi (7,357.72 km) |
| Irun to Fort Washington (Maryland) | 3,797.24 mi (6,111.07 km) |
| Irun to Fort Wayne (Indiana) | 4,079.04 mi (6,564.58 km) |
| Irun to Fort Worth (Texas) | 4,960.80 mi (7,983.64 km) |
| Irun to Fortuna (California) | 5,618.65 mi (9,042.35 km) |
