| Vratsa to Oignies | 1,088.74 mi (1,752.16 km) |
| Vratsa to Oissel | 1,148.13 mi (1,847.73 km) |
| Vratsa to Olivet | 1,092.08 mi (1,757.54 km) |
| Vratsa to Ollioules | 890.43 mi (1,433.01 km) |
| Vratsa to Olonne-sur-Mer | 1,255.60 mi (2,020.69 km) |
| Vratsa to Oloron-Sainte-Marie | 1,212.50 mi (1,951.32 km) |
| Vratsa to Onet Village | 1,045.60 mi (1,682.73 km) |
| Vratsa to Onnaing | 1,061.81 mi (1,708.81 km) |
| Vratsa to Orange | 936.81 mi (1,507.64 km) |
| Vratsa to Orchies | 1,078.50 mi (1,735.67 km) |
| Vratsa to Orleans | 1,092.12 mi (1,757.61 km) |
| Vratsa to Orly | 1,081.42 mi (1,740.37 km) |
| Vratsa to Ormesson-sur-Marne | 1,075.61 mi (1,731.02 km) |
| Vratsa to Orsay | 1,089.86 mi (1,753.96 km) |
| Vratsa to Orthez | 1,217.86 mi (1,959.96 km) |
