| Nelson to Octeville | 291.76 mi (469.54 km) |
| Nelson to Oignies | 320.59 mi (515.94 km) |
| Nelson to Oissel | 341.29 mi (549.25 km) |
| Nelson to Olivet | 449.77 mi (723.84 km) |
| Nelson to Ollioules | 824.88 mi (1,327.52 km) |
| Nelson to Olonne-sur-Mer | 504.66 mi (812.17 km) |
| Nelson to Oloron-Sainte-Marie | 738.82 mi (1,189.01 km) |
| Nelson to Onet Village | 689.10 mi (1,109.00 km) |
| Nelson to Onnaing | 342.75 mi (551.61 km) |
| Nelson to Orange | 741.01 mi (1,192.53 km) |
| Nelson to Orchies | 327.70 mi (527.39 km) |
| Nelson to Orleans | 447.45 mi (720.10 km) |
| Nelson to Orly | 404.04 mi (650.24 km) |
| Nelson to Ormesson-sur-Marne | 404.62 mi (651.18 km) |
| Nelson to Orsay | 402.59 mi (647.90 km) |
