| Fort Hunt to Orbetello | 4,416.48 mi (7,107.64 km) |
| Fort Hunt to Oria | 4,769.59 mi (7,675.91 km) |
| Fort Hunt to Oristano | 4,384.73 mi (7,056.55 km) |
| Fort Hunt to Orta Nova | 4,654.17 mi (7,490.17 km) |
| Fort Hunt to Orte | 4,467.55 mi (7,189.83 km) |
| Fort Hunt to Ortona | 4,559.65 mi (7,338.05 km) |
| Fort Hunt to Orvieto | 4,446.45 mi (7,155.88 km) |
| Fort Hunt to Orzinuovi | 4,262.20 mi (6,859.35 km) |
| Fort Hunt to Osimo | 4,479.61 mi (7,209.24 km) |
| Fort Hunt to Ospitaletto | 4,263.20 mi (6,860.96 km) |
| Fort Hunt to Ostuni | 4,758.49 mi (7,658.04 km) |
| Fort Hunt to Ottaviano | 4,617.50 mi (7,431.16 km) |
| Fort Hunt to Ovada | 4,230.87 mi (6,808.93 km) |
| Fort Hunt to Ozieri | 4,380.48 mi (7,049.69 km) |
| Fort Hunt to Paceco | 4,635.43 mi (7,460.01 km) |
