| Mobile to Orbetello | 5,253.16 mi (8,454.15 km) |
| Mobile to Oria | 5,606.93 mi (9,023.48 km) |
| Mobile to Oristano | 5,217.05 mi (8,396.04 km) |
| Mobile to Orta Nova | 5,491.46 mi (8,837.65 km) |
| Mobile to Orte | 5,304.61 mi (8,536.94 km) |
| Mobile to Ortona | 5,397.16 mi (8,685.89 km) |
| Mobile to Orvieto | 5,283.61 mi (8,503.14 km) |
| Mobile to Orzinuovi | 5,100.18 mi (8,207.95 km) |
| Mobile to Osimo | 5,317.43 mi (8,557.58 km) |
| Mobile to Ospitaletto | 5,101.23 mi (8,209.63 km) |
| Mobile to Ostuni | 5,595.94 mi (9,005.79 km) |
| Mobile to Ottaviano | 5,454.06 mi (8,777.47 km) |
| Mobile to Ovada | 5,068.36 mi (8,156.74 km) |
| Mobile to Ozieri | 5,214.08 mi (8,391.26 km) |
| Mobile to Paceco | 5,467.53 mi (8,799.15 km) |
