| Wetteren to Oignies | 53.47 mi (86.05 km) |
| Wetteren to Oissel | 168.47 mi (271.13 km) |
| Wetteren to Olivet | 234.26 mi (377.01 km) |
| Wetteren to Ollioules | 550.87 mi (886.53 km) |
| Wetteren to Olonne-sur-Mer | 401.59 mi (646.30 km) |
| Wetteren to Oloron-Sainte-Marie | 578.93 mi (931.69 km) |
| Wetteren to Onet Village | 462.28 mi (743.97 km) |
| Wetteren to Onnaing | 44.10 mi (70.98 km) |
| Wetteren to Orange | 476.05 mi (766.13 km) |
| Wetteren to Orchies | 45.81 mi (73.72 km) |
| Wetteren to Orleans | 231.64 mi (372.79 km) |
| Wetteren to Orly | 169.41 mi (272.65 km) |
| Wetteren to Ormesson-sur-Marne | 164.28 mi (264.38 km) |
| Wetteren to Orsay | 176.07 mi (283.35 km) |
| Wetteren to Orthez | 562.78 mi (905.70 km) |
