| Botevgrad to Oignies | 1,110.41 mi (1,787.03 km) |
| Botevgrad to Oissel | 1,168.87 mi (1,881.11 km) |
| Botevgrad to Olivet | 1,111.80 mi (1,789.27 km) |
| Botevgrad to Ollioules | 904.94 mi (1,456.37 km) |
| Botevgrad to Olonne-sur-Mer | 1,274.02 mi (2,050.34 km) |
| Botevgrad to Oloron-Sainte-Marie | 1,227.75 mi (1,975.88 km) |
| Botevgrad to Onet Village | 1,061.90 mi (1,708.96 km) |
| Botevgrad to Onnaing | 1,083.51 mi (1,743.74 km) |
| Botevgrad to Orange | 952.75 mi (1,533.31 km) |
| Botevgrad to Orchies | 1,100.20 mi (1,770.60 km) |
| Botevgrad to Orleans | 1,111.88 mi (1,789.39 km) |
| Botevgrad to Orly | 1,101.88 mi (1,773.30 km) |
| Botevgrad to Ormesson-sur-Marne | 1,096.11 mi (1,764.03 km) |
| Botevgrad to Orsay | 1,110.26 mi (1,786.80 km) |
| Botevgrad to Orthez | 1,233.44 mi (1,985.03 km) |
