| Half Moon Bay to Nuth | 5,574.53 mi (8,971.34 km) |
| Half Moon Bay to Oegstgeest | 5,468.32 mi (8,800.41 km) |
| Half Moon Bay to Oirschot | 5,527.36 mi (8,895.42 km) |
| Half Moon Bay to Oisterwijk | 5,520.18 mi (8,883.88 km) |
| Half Moon Bay to Oldebroek | 5,492.89 mi (8,839.95 km) |
| Half Moon Bay to Oldenzaal | 5,527.42 mi (8,895.53 km) |
| Half Moon Bay to Ommen | 5,503.02 mi (8,856.26 km) |
| Half Moon Bay to Oosterend | 5,467.67 mi (8,799.37 km) |
| Half Moon Bay to Oosterhout | 5,507.59 mi (8,863.60 km) |
| Half Moon Bay to Oosterwolde | 5,474.29 mi (8,810.02 km) |
| Half Moon Bay to Oostzaan | 5,466.46 mi (8,797.41 km) |
| Half Moon Bay to Opmeer | 5,454.14 mi (8,777.59 km) |
| Half Moon Bay to Oss | 5,519.06 mi (8,882.07 km) |
| Half Moon Bay to Oud-Beijerland | 5,485.82 mi (8,828.57 km) |
| Half Moon Bay to Oudenbosch | 5,501.25 mi (8,853.40 km) |
