| Dorchester to Nuth | 363.27 mi (584.63 km) |
| Dorchester to Oegstgeest | 313.93 mi (505.23 km) |
| Dorchester to Oirschot | 339.81 mi (546.87 km) |
| Dorchester to Oisterwijk | 336.21 mi (541.08 km) |
| Dorchester to Oldebroek | 377.20 mi (607.04 km) |
| Dorchester to Oldenzaal | 417.45 mi (671.83 km) |
| Dorchester to Ommen | 399.39 mi (642.76 km) |
| Dorchester to Oosterend | 395.47 mi (636.45 km) |
| Dorchester to Oosterhout | 322.20 mi (518.54 km) |
| Dorchester to Oosterwolde | 403.96 mi (650.12 km) |
| Dorchester to Oostzaan | 335.81 mi (540.43 km) |
| Dorchester to Opmeer | 344.50 mi (554.42 km) |
| Dorchester to Oss | 351.42 mi (565.56 km) |
| Dorchester to Oud-Beijerland | 305.07 mi (490.97 km) |
| Dorchester to Oudenbosch | 307.52 mi (494.91 km) |
