| Kokkola to Oegstgeest | 1,047.96 mi (1,686.52 km) |
| Kokkola to Oirschot | 1,069.61 mi (1,721.38 km) |
| Kokkola to Oisterwijk | 1,066.84 mi (1,716.91 km) |
| Kokkola to Oldebroek | 1,000.19 mi (1,609.65 km) |
| Kokkola to Oldenzaal | 985.84 mi (1,586.55 km) |
| Kokkola to Ommen | 984.97 mi (1,585.15 km) |
| Kokkola to Oosterend | 964.05 mi (1,551.50 km) |
| Kokkola to Oosterhout | 1,070.86 mi (1,723.38 km) |
| Kokkola to Oosterwolde | 959.83 mi (1,544.70 km) |
| Kokkola to Oostzaan | 1,023.92 mi (1,647.84 km) |
| Kokkola to Opmeer | 1,006.93 mi (1,620.49 km) |
| Kokkola to Oss | 1,049.02 mi (1,688.24 km) |
| Kokkola to Oud-Beijerland | 1,070.88 mi (1,723.41 km) |
| Kokkola to Oudenbosch | 1,081.46 mi (1,740.44 km) |
| Kokkola to Oudewater | 1,048.63 mi (1,687.61 km) |
