| Kirkop to Oegstgeest | 1,231.23 mi (1,981.47 km) |
| Kirkop to Oirschot | 1,173.04 mi (1,887.82 km) |
| Kirkop to Oisterwijk | 1,180.10 mi (1,899.19 km) |
| Kirkop to Oldebroek | 1,221.84 mi (1,966.36 km) |
| Kirkop to Oldenzaal | 1,196.83 mi (1,926.12 km) |
| Kirkop to Ommen | 1,217.67 mi (1,959.66 km) |
| Kirkop to Oosterend | 1,254.36 mi (2,018.69 km) |
| Kirkop to Oosterhout | 1,190.44 mi (1,915.82 km) |
| Kirkop to Oosterwolde | 1,249.98 mi (2,011.65 km) |
| Kirkop to Oostzaan | 1,238.73 mi (1,993.55 km) |
| Kirkop to Opmeer | 1,254.11 mi (2,018.29 km) |
| Kirkop to Oss | 1,185.57 mi (1,908.00 km) |
| Kirkop to Oud-Beijerland | 1,210.14 mi (1,947.54 km) |
| Kirkop to Oudenbosch | 1,193.78 mi (1,921.21 km) |
| Kirkop to Oudewater | 1,213.26 mi (1,952.55 km) |
