| Oudewater to Octeville | 328.46 mi (528.60 km) |
| Oudewater to Oignies | 134.14 mi (215.88 km) |
| Oudewater to Oissel | 247.88 mi (398.92 km) |
| Oudewater to Olivet | 315.73 mi (508.11 km) |
| Oudewater to Ollioules | 615.05 mi (989.82 km) |
| Oudewater to Olonne-sur-Mer | 482.25 mi (776.11 km) |
| Oudewater to Oloron-Sainte-Marie | 660.29 mi (1,062.63 km) |
| Oudewater to Onet Village | 538.84 mi (867.17 km) |
| Oudewater to Onnaing | 125.23 mi (201.53 km) |
| Oudewater to Orange | 544.35 mi (876.05 km) |
| Oudewater to Orchies | 127.57 mi (205.30 km) |
| Oudewater to Orleans | 313.13 mi (503.93 km) |
| Oudewater to Orly | 250.99 mi (403.93 km) |
| Oudewater to Ormesson-sur-Marne | 245.63 mi (395.30 km) |
| Oudewater to Orsay | 257.88 mi (415.01 km) |
