| Kalajoki to Opwijk | 1,164.22 mi (1,873.63 km) |
| Kalajoki to Ostend | 1,177.39 mi (1,894.83 km) |
| Kalajoki to Oud-Heverlee | 1,161.64 mi (1,869.47 km) |
| Kalajoki to Oud-Turnhout | 1,125.84 mi (1,811.86 km) |
| Kalajoki to Oudenaarde | 1,184.10 mi (1,905.63 km) |
| Kalajoki to Oudenburg | 1,178.03 mi (1,895.86 km) |
| Kalajoki to Oupeye | 1,148.43 mi (1,848.22 km) |
| Kalajoki to Overijse | 1,167.52 mi (1,878.95 km) |
| Kalajoki to Overpelt | 1,122.49 mi (1,806.48 km) |
| Kalajoki to Paal | 1,138.38 mi (1,832.04 km) |
| Kalajoki to Peer | 1,126.75 mi (1,813.33 km) |
| Kalajoki to Pepinster | 1,153.45 mi (1,856.29 km) |
| Kalajoki to Peruwelz | 1,204.30 mi (1,938.14 km) |
| Kalajoki to Perwez | 1,171.03 mi (1,884.59 km) |
| Kalajoki to Philippeville | 1,202.31 mi (1,934.93 km) |
