| Southbourne to Orbetello | 839.94 mi (1,351.75 km) |
| Southbourne to Oria | 1,169.12 mi (1,881.52 km) |
| Southbourne to Oristano | 899.94 mi (1,448.31 km) |
| Southbourne to Orta Nova | 1,056.92 mi (1,700.95 km) |
| Southbourne to Orte | 880.21 mi (1,416.56 km) |
| Southbourne to Ortona | 959.51 mi (1,544.18 km) |
| Southbourne to Orvieto | 857.68 mi (1,380.30 km) |
| Southbourne to Orzinuovi | 653.54 mi (1,051.77 km) |
| Southbourne to Osimo | 872.89 mi (1,404.79 km) |
| Southbourne to Ospitaletto | 652.29 mi (1,049.77 km) |
| Southbourne to Ostuni | 1,156.14 mi (1,860.63 km) |
| Southbourne to Ottaviano | 1,035.23 mi (1,666.04 km) |
| Southbourne to Ovada | 641.33 mi (1,032.12 km) |
| Southbourne to Ozieri | 871.40 mi (1,402.38 km) |
| Southbourne to Paceco | 1,125.99 mi (1,812.11 km) |
