| Cobham to Orbetello | 821.72 mi (1,322.43 km) |
| Cobham to Oria | 1,139.91 mi (1,834.51 km) |
| Cobham to Oristano | 899.64 mi (1,447.83 km) |
| Cobham to Orta Nova | 1,029.67 mi (1,657.10 km) |
| Cobham to Orte | 858.14 mi (1,381.04 km) |
| Cobham to Ortona | 932.14 mi (1,500.13 km) |
| Cobham to Orvieto | 835.47 mi (1,344.55 km) |
| Cobham to Orzinuovi | 626.03 mi (1,007.49 km) |
| Cobham to Osimo | 843.66 mi (1,357.73 km) |
| Cobham to Ospitaletto | 623.44 mi (1,003.33 km) |
| Cobham to Ostuni | 1,126.37 mi (1,812.71 km) |
| Cobham to Ottaviano | 1,012.70 mi (1,629.78 km) |
| Cobham to Ovada | 622.81 mi (1,002.31 km) |
| Cobham to Ozieri | 867.59 mi (1,396.25 km) |
| Cobham to Paceco | 1,117.07 mi (1,797.75 km) |
