| Selsey to Orbetello | 806.37 mi (1,297.73 km) |
| Selsey to Oria | 1,131.62 mi (1,821.16 km) |
| Selsey to Oristano | 874.54 mi (1,407.43 km) |
| Selsey to Orta Nova | 1,020.06 mi (1,641.62 km) |
| Selsey to Orte | 845.15 mi (1,360.14 km) |
| Selsey to Ortona | 922.55 mi (1,484.69 km) |
| Selsey to Orvieto | 822.55 mi (1,323.76 km) |
| Selsey to Orzinuovi | 616.26 mi (991.77 km) |
| Selsey to Osimo | 835.23 mi (1,344.17 km) |
| Selsey to Ospitaletto | 614.55 mi (989.02 km) |
| Selsey to Ostuni | 1,118.44 mi (1,799.95 km) |
| Selsey to Ottaviano | 1,000.10 mi (1,609.51 km) |
| Selsey to Ovada | 607.41 mi (977.53 km) |
| Selsey to Ozieri | 844.26 mi (1,358.70 km) |
| Selsey to Paceco | 1,096.63 mi (1,764.86 km) |
