| Kalajoki to Oignies | 1,220.30 mi (1,963.89 km) |
| Kalajoki to Oissel | 1,330.53 mi (2,141.29 km) |
| Kalajoki to Olivet | 1,401.38 mi (2,255.30 km) |
| Kalajoki to Ollioules | 1,623.31 mi (2,612.46 km) |
| Kalajoki to Olonne-sur-Mer | 1,564.68 mi (2,518.11 km) |
| Kalajoki to Oloron-Sainte-Marie | 1,744.23 mi (2,807.07 km) |
| Kalajoki to Onet Village | 1,604.65 mi (2,582.43 km) |
| Kalajoki to Onnaing | 1,211.68 mi (1,950.00 km) |
| Kalajoki to Orange | 1,577.01 mi (2,537.95 km) |
| Kalajoki to Orchies | 1,214.35 mi (1,954.32 km) |
| Kalajoki to Orleans | 1,398.84 mi (2,251.22 km) |
| Kalajoki to Orly | 1,337.14 mi (2,151.92 km) |
| Kalajoki to Ormesson-sur-Marne | 1,331.41 mi (2,142.70 km) |
| Kalajoki to Orsay | 1,344.42 mi (2,163.64 km) |
| Kalajoki to Orthez | 1,729.37 mi (2,783.16 km) |
