| Varna to Oignies | 1,272.24 mi (2,047.47 km) |
| Varna to Oissel | 1,340.76 mi (2,157.74 km) |
| Varna to Olivet | 1,292.54 mi (2,080.15 km) |
| Varna to Ollioules | 1,108.76 mi (1,784.37 km) |
| Varna to Olonne-sur-Mer | 1,462.73 mi (2,354.04 km) |
| Varna to Oloron-Sainte-Marie | 1,429.47 mi (2,300.51 km) |
| Varna to Onet Village | 1,260.47 mi (2,028.54 km) |
| Varna to Onnaing | 1,245.06 mi (2,003.73 km) |
| Varna to Orange | 1,152.63 mi (1,854.98 km) |
| Varna to Orchies | 1,261.62 mi (2,030.38 km) |
| Varna to Orleans | 1,292.38 mi (2,079.88 km) |
| Varna to Orly | 1,276.65 mi (2,054.57 km) |
| Varna to Ormesson-sur-Marne | 1,270.49 mi (2,044.65 km) |
| Varna to Orsay | 1,285.51 mi (2,068.83 km) |
| Varna to Orthez | 1,434.22 mi (2,308.16 km) |
