| Willoughby to Fort Madison (Iowa) | 521.93 mi (839.97 km) |
| Willoughby to Fort Meade (Maryland) | 301.72 mi (485.57 km) |
| Willoughby to Fort Mill (South Carolina) | 459.47 mi (739.44 km) |
| Willoughby to Fort Mohave (Arizona) | 1,843.15 mi (2,966.26 km) |
| Willoughby to Fort Morgan (Colorado) | 1,168.66 mi (1,880.77 km) |
| Willoughby to Fort Myers (Florida) | 1,038.51 mi (1,671.32 km) |
| Willoughby to Fort Oglethorpe (Georgia) | 508.30 mi (818.03 km) |
| Willoughby to Fort Payne (Alabama) | 548.65 mi (882.96 km) |
| Willoughby to Fort Pierce (Florida) | 984.38 mi (1,584.21 km) |
| Willoughby to Fort Smith (Arkansas) | 823.55 mi (1,325.37 km) |
| Willoughby to Fort Thomas (Kentucky) | 238.92 mi (384.51 km) |
| Willoughby to Fort Walton Beach (Florida) | 827.74 mi (1,332.12 km) |
| Willoughby to Fort Washington (Maryland) | 307.25 mi (494.48 km) |
| Willoughby to Fort Wayne (Indiana) | 197.45 mi (317.77 km) |
| Willoughby to Fort Worth (Texas) | 1,066.90 mi (1,717.02 km) |
