| Wetzlar to Octeville | 453.87 mi (730.43 km) |
| Wetzlar to Oignies | 241.95 mi (389.37 km) |
| Wetzlar to Oissel | 339.88 mi (546.99 km) |
| Wetzlar to Olivet | 351.35 mi (565.45 km) |
| Wetzlar to Ollioules | 528.17 mi (850.01 km) |
| Wetzlar to Olonne-sur-Mer | 545.46 mi (877.84 km) |
| Wetzlar to Oloron-Sainte-Marie | 665.67 mi (1,071.29 km) |
| Wetzlar to Onet Village | 509.22 mi (819.51 km) |
| Wetzlar to Onnaing | 215.85 mi (347.38 km) |
| Wetzlar to Orange | 476.41 mi (766.71 km) |
| Wetzlar to Orchies | 230.92 mi (371.64 km) |
| Wetzlar to Orleans | 349.53 mi (562.51 km) |
| Wetzlar to Orly | 300.69 mi (483.91 km) |
| Wetzlar to Ormesson-sur-Marne | 293.47 mi (472.29 km) |
| Wetzlar to Orsay | 310.46 mi (499.64 km) |
