| Alum Rock to Nuth | 5,563.47 mi (8,953.54 km) |
| Alum Rock to Oegstgeest | 5,457.34 mi (8,782.75 km) |
| Alum Rock to Oirschot | 5,516.35 mi (8,877.71 km) |
| Alum Rock to Oisterwijk | 5,509.18 mi (8,866.17 km) |
| Alum Rock to Oldebroek | 5,482.40 mi (8,823.06 km) |
| Alum Rock to Oldenzaal | 5,517.17 mi (8,879.03 km) |
| Alum Rock to Ommen | 5,492.70 mi (8,839.64 km) |
| Alum Rock to Oosterend | 5,457.43 mi (8,782.89 km) |
| Alum Rock to Oosterhout | 5,496.51 mi (8,845.78 km) |
| Alum Rock to Oosterwolde | 5,464.11 mi (8,793.64 km) |
| Alum Rock to Oostzaan | 5,455.68 mi (8,780.08 km) |
| Alum Rock to Opmeer | 5,443.48 mi (8,760.44 km) |
| Alum Rock to Oss | 5,508.21 mi (8,864.61 km) |
| Alum Rock to Oud-Beijerland | 5,474.68 mi (8,810.65 km) |
| Alum Rock to Oudenbosch | 5,490.06 mi (8,835.40 km) |
