| Ventspils to Octeville | 1,086.61 mi (1,748.73 km) |
| Ventspils to Oignies | 889.99 mi (1,432.30 km) |
| Ventspils to Oissel | 1,004.94 mi (1,617.29 km) |
| Ventspils to Olivet | 1,048.88 mi (1,688.01 km) |
| Ventspils to Ollioules | 1,198.71 mi (1,929.13 km) |
| Ventspils to Olonne-sur-Mer | 1,234.67 mi (1,987.01 km) |
| Ventspils to Oloron-Sainte-Marie | 1,373.79 mi (2,210.90 km) |
| Ventspils to Onet Village | 1,214.26 mi (1,954.16 km) |
| Ventspils to Onnaing | 873.25 mi (1,405.36 km) |
| Ventspils to Orange | 1,166.03 mi (1,876.55 km) |
| Ventspils to Orchies | 881.28 mi (1,418.28 km) |
| Ventspils to Orleans | 1,046.69 mi (1,684.48 km) |
| Ventspils to Orly | 989.78 mi (1,592.89 km) |
| Ventspils to Ormesson-sur-Marne | 983.01 mi (1,582.01 km) |
| Ventspils to Orsay | 998.69 mi (1,607.23 km) |
