| Cosham to Orbetello | 820.37 mi (1,320.25 km) |
| Cosham to Oria | 1,145.78 mi (1,843.96 km) |
| Cosham to Oristano | 887.54 mi (1,428.36 km) |
| Cosham to Orta Nova | 1,034.21 mi (1,664.41 km) |
| Cosham to Orte | 859.25 mi (1,382.82 km) |
| Cosham to Ortona | 936.71 mi (1,507.48 km) |
| Cosham to Orvieto | 836.65 mi (1,346.45 km) |
| Cosham to Orzinuovi | 630.42 mi (1,014.56 km) |
| Cosham to Osimo | 849.39 mi (1,366.96 km) |
| Cosham to Ospitaletto | 628.71 mi (1,011.81 km) |
| Cosham to Ostuni | 1,132.60 mi (1,822.75 km) |
| Cosham to Ottaviano | 1,014.20 mi (1,632.20 km) |
| Cosham to Ovada | 621.42 mi (1,000.08 km) |
| Cosham to Ozieri | 857.52 mi (1,380.05 km) |
| Cosham to Paceco | 1,110.21 mi (1,786.71 km) |
