| Westerland to Octeville | 556.09 mi (894.93 km) |
| Westerland to Oignies | 378.81 mi (609.63 km) |
| Westerland to Oissel | 491.11 mi (790.36 km) |
| Westerland to Olivet | 559.22 mi (899.98 km) |
| Westerland to Ollioules | 820.74 mi (1,320.86 km) |
| Westerland to Olonne-sur-Mer | 725.92 mi (1,168.26 km) |
| Westerland to Oloron-Sainte-Marie | 902.87 mi (1,453.03 km) |
| Westerland to Onet Village | 771.47 mi (1,241.56 km) |
| Westerland to Onnaing | 369.41 mi (594.50 km) |
| Westerland to Orange | 760.36 mi (1,223.68 km) |
| Westerland to Orchies | 372.44 mi (599.39 km) |
| Westerland to Orleans | 556.67 mi (895.88 km) |
| Westerland to Orly | 494.88 mi (796.43 km) |
| Westerland to Ormesson-sur-Marne | 489.20 mi (787.29 km) |
| Westerland to Orsay | 502.14 mi (808.12 km) |
