| Grants Pass to Nuth | 5,301.44 mi (8,531.84 km) |
| Grants Pass to Oegstgeest | 5,194.90 mi (8,360.38 km) |
| Grants Pass to Oirschot | 5,254.01 mi (8,455.51 km) |
| Grants Pass to Oisterwijk | 5,246.82 mi (8,443.95 km) |
| Grants Pass to Oldebroek | 5,216.25 mi (8,394.74 km) |
| Grants Pass to Oldenzaal | 5,249.23 mi (8,447.82 km) |
| Grants Pass to Ommen | 5,225.31 mi (8,409.32 km) |
| Grants Pass to Oosterend | 5,189.48 mi (8,351.67 km) |
| Grants Pass to Oosterhout | 5,234.72 mi (8,424.47 km) |
| Grants Pass to Oosterwolde | 5,195.74 mi (8,361.73 km) |
| Grants Pass to Oostzaan | 5,191.69 mi (8,355.21 km) |
| Grants Pass to Opmeer | 5,178.62 mi (8,334.19 km) |
| Grants Pass to Oss | 5,244.69 mi (8,440.51 km) |
| Grants Pass to Oud-Beijerland | 5,213.39 mi (8,390.14 km) |
| Grants Pass to Oudenbosch | 5,229.13 mi (8,415.47 km) |
