| Chelsfield to Octeville | 142.71 mi (229.67 km) |
| Chelsfield to Oignies | 139.12 mi (223.89 km) |
| Chelsfield to Oissel | 145.64 mi (234.39 km) |
| Chelsfield to Olivet | 254.12 mi (408.97 km) |
| Chelsfield to Ollioules | 627.56 mi (1,009.96 km) |
| Chelsfield to Olonne-sur-Mer | 344.12 mi (553.81 km) |
| Chelsfield to Oloron-Sainte-Marie | 565.12 mi (909.47 km) |
| Chelsfield to Onet Village | 496.40 mi (798.88 km) |
| Chelsfield to Onnaing | 165.48 mi (266.31 km) |
| Chelsfield to Orange | 543.92 mi (875.36 km) |
| Chelsfield to Orchies | 148.83 mi (239.52 km) |
| Chelsfield to Orleans | 251.70 mi (405.07 km) |
| Chelsfield to Orly | 206.68 mi (332.61 km) |
| Chelsfield to Ormesson-sur-Marne | 207.38 mi (333.74 km) |
| Chelsfield to Orsay | 205.26 mi (330.33 km) |