| Kladovo to Octeville | 1,185.92 mi (1,908.55 km) |
| Kladovo to Oignies | 996.73 mi (1,604.08 km) |
| Kladovo to Oissel | 1,061.62 mi (1,708.50 km) |
| Kladovo to Olivet | 1,011.63 mi (1,628.06 km) |
| Kladovo to Ollioules | 839.41 mi (1,350.90 km) |
| Kladovo to Olonne-sur-Mer | 1,181.97 mi (1,902.20 km) |
| Kladovo to Oloron-Sainte-Marie | 1,155.90 mi (1,860.24 km) |
| Kladovo to Onet Village | 984.20 mi (1,583.92 km) |
| Kladovo to Onnaing | 969.63 mi (1,560.46 km) |
| Kladovo to Orange | 877.86 mi (1,412.77 km) |
| Kladovo to Orchies | 986.27 mi (1,587.26 km) |
| Kladovo to Orleans | 1,011.49 mi (1,627.83 km) |
| Kladovo to Orly | 996.70 mi (1,604.04 km) |
| Kladovo to Ormesson-sur-Marne | 990.63 mi (1,594.26 km) |
| Kladovo to Orsay | 1,005.46 mi (1,618.14 km) |
