| Royal Leamington Spa to Octeville | 184.20 mi (296.44 km) |
| Royal Leamington Spa to Oignies | 232.39 mi (373.99 km) |
| Royal Leamington Spa to Oissel | 233.87 mi (376.38 km) |
| Royal Leamington Spa to Olivet | 341.72 mi (549.95 km) |
| Royal Leamington Spa to Ollioules | 718.67 mi (1,156.58 km) |
| Royal Leamington Spa to Olonne-sur-Mer | 397.83 mi (640.25 km) |
| Royal Leamington Spa to Oloron-Sainte-Marie | 630.07 mi (1,013.99 km) |
| Royal Leamington Spa to Onet Village | 579.36 mi (932.38 km) |
| Royal Leamington Spa to Onnaing | 257.66 mi (414.67 km) |
| Royal Leamington Spa to Orange | 634.06 mi (1,020.41 km) |
| Royal Leamington Spa to Orchies | 241.33 mi (388.38 km) |
| Royal Leamington Spa to Orleans | 339.48 mi (546.34 km) |
| Royal Leamington Spa to Orly | 299.74 mi (482.39 km) |
| Royal Leamington Spa to Ormesson-sur-Marne | 301.08 mi (484.55 km) |
| Royal Leamington Spa to Orsay | 297.33 mi (478.51 km) |
