| Grumo Appula to Oegstgeest | 962.92 mi (1,549.66 km) |
| Grumo Appula to Oirschot | 903.98 mi (1,454.81 km) |
| Grumo Appula to Oisterwijk | 911.14 mi (1,466.34 km) |
| Grumo Appula to Oldebroek | 938.83 mi (1,510.89 km) |
| Grumo Appula to Oldenzaal | 905.93 mi (1,457.95 km) |
| Grumo Appula to Ommen | 929.71 mi (1,496.22 km) |
| Grumo Appula to Oosterend | 965.63 mi (1,554.03 km) |
| Grumo Appula to Oosterhout | 924.01 mi (1,487.05 km) |
| Grumo Appula to Oosterwolde | 959.52 mi (1,544.20 km) |
| Grumo Appula to Oostzaan | 964.53 mi (1,552.26 km) |
| Grumo Appula to Opmeer | 976.99 mi (1,572.32 km) |
| Grumo Appula to Oss | 911.94 mi (1,467.63 km) |
| Grumo Appula to Oud-Beijerland | 946.05 mi (1,522.52 km) |
| Grumo Appula to Oudenbosch | 930.93 mi (1,498.18 km) |
| Grumo Appula to Oudewater | 943.07 mi (1,517.72 km) |
