| Wadern to Octeville | 381.17 mi (613.43 km) |
| Wadern to Oignies | 184.17 mi (296.39 km) |
| Wadern to Oissel | 259.74 mi (418.02 km) |
| Wadern to Olivet | 253.60 mi (408.12 km) |
| Wadern to Ollioules | 443.30 mi (713.41 km) |
| Wadern to Olonne-sur-Mer | 448.83 mi (722.33 km) |
| Wadern to Oloron-Sainte-Marie | 563.20 mi (906.38 km) |
| Wadern to Onet Village | 408.87 mi (658.01 km) |
| Wadern to Onnaing | 157.26 mi (253.09 km) |
| Wadern to Orange | 384.08 mi (618.12 km) |
| Wadern to Orchies | 173.96 mi (279.96 km) |
| Wadern to Orleans | 251.99 mi (405.53 km) |
| Wadern to Orly | 209.16 mi (336.61 km) |
| Wadern to Ormesson-sur-Marne | 201.99 mi (325.07 km) |
| Wadern to Orsay | 219.03 mi (352.50 km) |
