| Koropi to Octeville | 1,497.83 mi (2,410.53 km) |
| Koropi to Oignies | 1,342.45 mi (2,160.46 km) |
| Koropi to Oissel | 1,378.10 mi (2,217.84 km) |
| Koropi to Olivet | 1,301.24 mi (2,094.14 km) |
| Koropi to Ollioules | 1,011.12 mi (1,627.24 km) |
| Koropi to Olonne-sur-Mer | 1,433.11 mi (2,306.36 km) |
| Koropi to Oloron-Sainte-Marie | 1,330.87 mi (2,141.83 km) |
| Koropi to Onet Village | 1,189.74 mi (1,914.70 km) |
| Koropi to Onnaing | 1,317.02 mi (2,119.54 km) |
| Koropi to Orange | 1,079.94 mi (1,737.99 km) |
| Koropi to Orchies | 1,333.36 mi (2,145.83 km) |
| Koropi to Orleans | 1,301.96 mi (2,095.31 km) |
| Koropi to Orly | 1,306.89 mi (2,103.23 km) |
| Koropi to Ormesson-sur-Marne | 1,302.31 mi (2,095.86 km) |
| Koropi to Orsay | 1,313.82 mi (2,114.39 km) |
