| Halstenbek to Oegstgeest | 245.11 mi (394.47 km) |
| Halstenbek to Oirschot | 240.83 mi (387.58 km) |
| Halstenbek to Oisterwijk | 240.59 mi (387.19 km) |
| Halstenbek to Oldebroek | 182.82 mi (294.22 km) |
| Halstenbek to Oldenzaal | 151.22 mi (243.36 km) |
| Halstenbek to Ommen | 161.57 mi (260.02 km) |
| Halstenbek to Oosterend | 161.58 mi (260.04 km) |
| Halstenbek to Oosterhout | 249.94 mi (402.25 km) |
| Halstenbek to Oosterwolde | 152.95 mi (246.15 km) |
| Halstenbek to Oostzaan | 221.85 mi (357.03 km) |
| Halstenbek to Opmeer | 212.40 mi (341.83 km) |
| Halstenbek to Oss | 222.11 mi (357.45 km) |
| Halstenbek to Oud-Beijerland | 259.75 mi (418.03 km) |
| Halstenbek to Oudenbosch | 263.79 mi (424.53 km) |
| Halstenbek to Oudewater | 235.60 mi (379.16 km) |
