| Brighton to Orbetello | 789.05 mi (1,269.85 km) |
| Brighton to Oria | 1,110.70 mi (1,787.49 km) |
| Brighton to Oristano | 863.67 mi (1,389.94 km) |
| Brighton to Orta Nova | 999.75 mi (1,608.94 km) |
| Brighton to Orte | 826.53 mi (1,330.17 km) |
| Brighton to Ortona | 902.20 mi (1,451.95 km) |
| Brighton to Orvieto | 803.88 mi (1,293.72 km) |
| Brighton to Orzinuovi | 595.87 mi (958.97 km) |
| Brighton to Osimo | 814.29 mi (1,310.48 km) |
| Brighton to Ospitaletto | 593.73 mi (955.52 km) |
| Brighton to Ostuni | 1,097.34 mi (1,766.00 km) |
| Brighton to Ottaviano | 981.31 mi (1,579.27 km) |
| Brighton to Ovada | 590.03 mi (949.57 km) |
| Brighton to Ozieri | 832.08 mi (1,339.11 km) |
| Brighton to Paceco | 1,082.51 mi (1,742.13 km) |
