| Centerville to Orbetello | 4,686.49 mi (7,542.18 km) |
| Centerville to Oria | 5,034.04 mi (8,101.50 km) |
| Centerville to Oristano | 4,670.96 mi (7,517.18 km) |
| Centerville to Orta Nova | 4,919.44 mi (7,917.07 km) |
| Centerville to Orte | 4,735.04 mi (7,620.31 km) |
| Centerville to Ortona | 4,823.36 mi (7,762.45 km) |
| Centerville to Orvieto | 4,713.37 mi (7,585.44 km) |
| Centerville to Orzinuovi | 4,521.10 mi (7,276.01 km) |
| Centerville to Osimo | 4,740.23 mi (7,628.66 km) |
| Centerville to Ospitaletto | 4,521.08 mi (7,275.98 km) |
| Centerville to Ostuni | 5,022.07 mi (8,082.24 km) |
| Centerville to Ottaviano | 4,887.52 mi (7,865.71 km) |
| Centerville to Ovada | 4,495.89 mi (7,235.43 km) |
| Centerville to Ozieri | 4,663.01 mi (7,504.39 km) |
| Centerville to Paceco | 4,921.37 mi (7,920.18 km) |
