| Westerland to Oria | 1,083.73 mi (1,744.10 km) |
| Westerland to Oristano | 1,036.77 mi (1,668.52 km) |
| Westerland to Orta Nova | 997.11 mi (1,604.69 km) |
| Westerland to Orte | 879.70 mi (1,415.73 km) |
| Westerland to Ortona | 910.46 mi (1,465.25 km) |
| Westerland to Orvieto | 859.62 mi (1,383.43 km) |
| Westerland to Orzinuovi | 660.96 mi (1,063.71 km) |
| Westerland to Osimo | 822.80 mi (1,324.17 km) |
| Westerland to Ospitaletto | 650.99 mi (1,047.66 km) |
| Westerland to Ostuni | 1,067.70 mi (1,718.30 km) |
| Westerland to Ottaviano | 1,011.68 mi (1,628.14 km) |
| Westerland to Ovada | 709.80 mi (1,142.32 km) |
| Westerland to Ozieri | 990.28 mi (1,593.71 km) |
| Westerland to Paceco | 1,186.29 mi (1,909.14 km) |
| Westerland to Pachino | 1,297.42 mi (2,087.99 km) |
