| Duffel to Fort Meade (Maryland) | 3,841.80 mi (6,182.77 km) |
| Duffel to Fort Mill (South Carolina) | 4,203.85 mi (6,765.44 km) |
| Duffel to Fort Mohave (Arizona) | 5,436.28 mi (8,748.84 km) |
| Duffel to Fort Morgan (Colorado) | 4,792.96 mi (7,713.52 km) |
| Duffel to Fort Myers (Florida) | 4,656.14 mi (7,493.33 km) |
| Duffel to Fort Oglethorpe (Georgia) | 4,380.53 mi (7,049.79 km) |
| Duffel to Fort Payne (Alabama) | 4,421.93 mi (7,116.40 km) |
| Duffel to Fort Pierce (Florida) | 4,552.98 mi (7,327.31 km) |
| Duffel to Fort Smith (Arkansas) | 4,713.12 mi (7,585.04 km) |
| Duffel to Fort Thomas (Kentucky) | 4,148.41 mi (6,676.22 km) |
| Duffel to Fort Walton Beach (Florida) | 4,660.93 mi (7,501.04 km) |
| Duffel to Fort Washington (Maryland) | 3,869.41 mi (6,227.21 km) |
| Duffel to Fort Wayne (Indiana) | 4,079.96 mi (6,566.07 km) |
| Duffel to Fort Worth (Texas) | 4,958.84 mi (7,980.48 km) |
| Duffel to Fortuna (California) | 5,387.25 mi (8,669.94 km) |
