| Heckmondwike to Nuth | 372.53 mi (599.53 km) |
| Heckmondwike to Oegstgeest | 276.24 mi (444.57 km) |
| Heckmondwike to Oirschot | 329.67 mi (530.55 km) |
| Heckmondwike to Oisterwijk | 323.07 mi (519.93 km) |
| Heckmondwike to Oldebroek | 325.82 mi (524.35 km) |
| Heckmondwike to Oldenzaal | 370.07 mi (595.57 km) |
| Heckmondwike to Ommen | 345.12 mi (555.42 km) |
| Heckmondwike to Oosterend | 322.56 mi (519.11 km) |
| Heckmondwike to Oosterhout | 308.25 mi (496.08 km) |
| Heckmondwike to Oosterwolde | 331.90 mi (534.15 km) |
| Heckmondwike to Oostzaan | 285.83 mi (459.99 km) |
| Heckmondwike to Opmeer | 282.56 mi (454.74 km) |
| Heckmondwike to Oss | 329.02 mi (529.50 km) |
| Heckmondwike to Oud-Beijerland | 285.32 mi (459.18 km) |
| Heckmondwike to Oudenbosch | 297.92 mi (479.46 km) |
