| Phenix City to Orbetello | 5,034.99 mi (8,103.03 km) |
| Phenix City to Oria | 5,389.14 mi (8,672.97 km) |
| Phenix City to Oristano | 4,997.79 mi (8,043.17 km) |
| Phenix City to Orta Nova | 5,273.63 mi (8,487.08 km) |
| Phenix City to Orte | 5,086.64 mi (8,186.15 km) |
| Phenix City to Ortona | 5,179.52 mi (8,335.63 km) |
| Phenix City to Orvieto | 5,065.70 mi (8,152.45 km) |
| Phenix City to Orzinuovi | 4,883.17 mi (7,858.70 km) |
| Phenix City to Osimo | 5,100.14 mi (8,207.89 km) |
| Phenix City to Ospitaletto | 4,884.33 mi (7,860.57 km) |
| Phenix City to Ostuni | 5,378.23 mi (8,655.43 km) |
| Phenix City to Ottaviano | 5,235.81 mi (8,426.23 km) |
| Phenix City to Ovada | 4,850.72 mi (7,806.48 km) |
| Phenix City to Ozieri | 4,995.02 mi (8,038.70 km) |
| Phenix City to Paceco | 5,248.24 mi (8,446.22 km) |
