| Fort Hunt to Oerlinghausen | 4,013.19 mi (6,458.60 km) |
| Fort Hunt to Oestrich-Winkel | 4,041.83 mi (6,504.69 km) |
| Fort Hunt to Offenburg | 4,083.36 mi (6,571.53 km) |
| Fort Hunt to Oftersheim | 4,083.72 mi (6,572.11 km) |
| Fort Hunt to Ohrdruf | 4,126.88 mi (6,641.58 km) |
| Fort Hunt to Ohringen | 4,126.05 mi (6,640.23 km) |
| Fort Hunt to Olbernhau | 4,233.70 mi (6,813.49 km) |
| Fort Hunt to Olching | 4,230.97 mi (6,809.09 km) |
| Fort Hunt to Oldenburg | 3,963.77 mi (6,379.07 km) |
| Fort Hunt to Oldenburg in Holstein | 4,032.69 mi (6,489.99 km) |
| Fort Hunt to Olfen | 3,969.67 mi (6,388.57 km) |
| Fort Hunt to Olpe | 4,006.61 mi (6,448.02 km) |
| Fort Hunt to Olsberg | 4,023.12 mi (6,474.59 km) |
| Fort Hunt to Oranienburg | 4,165.33 mi (6,703.45 km) |
| Fort Hunt to Ortenberg | 4,074.12 mi (6,556.66 km) |
