| Rhosllanerchrugog to Orbetello | 982.88 mi (1,581.79 km) |
| Rhosllanerchrugog to Oria | 1,297.58 mi (2,088.25 km) |
| Rhosllanerchrugog to Oristano | 1,058.62 mi (1,703.68 km) |
| Rhosllanerchrugog to Orta Nova | 1,188.35 mi (1,912.47 km) |
| Rhosllanerchrugog to Orte | 1,018.63 mi (1,639.33 km) |
| Rhosllanerchrugog to Ortona | 1,090.91 mi (1,755.64 km) |
| Rhosllanerchrugog to Orvieto | 995.95 mi (1,602.83 km) |
| Rhosllanerchrugog to Orzinuovi | 785.34 mi (1,263.89 km) |
| Rhosllanerchrugog to Osimo | 1,001.78 mi (1,612.22 km) |
| Rhosllanerchrugog to Ospitaletto | 782.27 mi (1,258.95 km) |
| Rhosllanerchrugog to Ostuni | 1,283.77 mi (2,066.03 km) |
| Rhosllanerchrugog to Ottaviano | 1,172.96 mi (1,887.69 km) |
| Rhosllanerchrugog to Ovada | 784.04 mi (1,261.79 km) |
| Rhosllanerchrugog to Ozieri | 1,027.62 mi (1,653.79 km) |
| Rhosllanerchrugog to Paceco | 1,278.19 mi (2,057.04 km) |
