| Witham to Octeville | 180.13 mi (289.88 km) |
| Witham to Oignies | 137.33 mi (221.01 km) |
| Witham to Oissel | 170.85 mi (274.96 km) |
| Witham to Olivet | 277.56 mi (446.70 km) |
| Witham to Ollioules | 645.41 mi (1,038.69 km) |
| Witham to Olonne-sur-Mer | 379.45 mi (610.66 km) |
| Witham to Oloron-Sainte-Marie | 597.26 mi (961.19 km) |
| Witham to Onet Village | 521.34 mi (839.02 km) |
| Witham to Onnaing | 161.22 mi (259.46 km) |
| Witham to Orange | 563.08 mi (906.19 km) |
| Witham to Orchies | 145.35 mi (233.91 km) |
| Witham to Orleans | 275.03 mi (442.61 km) |
| Witham to Orly | 224.78 mi (361.74 km) |
| Witham to Ormesson-sur-Marne | 224.37 mi (361.09 km) |
| Witham to Orsay | 224.84 mi (361.85 km) |
