| Saint Helens to Nuth | 405.11 mi (651.96 km) |
| Saint Helens to Oegstgeest | 313.65 mi (504.77 km) |
| Saint Helens to Oirschot | 364.34 mi (586.35 km) |
| Saint Helens to Oisterwijk | 358.04 mi (576.21 km) |
| Saint Helens to Oldebroek | 366.42 mi (589.70 km) |
| Saint Helens to Oldenzaal | 410.91 mi (661.30 km) |
| Saint Helens to Ommen | 386.44 mi (621.92 km) |
| Saint Helens to Oosterend | 365.74 mi (588.59 km) |
| Saint Helens to Oosterhout | 342.92 mi (551.88 km) |
| Saint Helens to Oosterwolde | 375.13 mi (603.71 km) |
| Saint Helens to Oostzaan | 325.33 mi (523.57 km) |
| Saint Helens to Opmeer | 323.63 mi (520.83 km) |
| Saint Helens to Oss | 365.58 mi (588.34 km) |
| Saint Helens to Oud-Beijerland | 320.19 mi (515.29 km) |
| Saint Helens to Oudenbosch | 331.55 mi (533.57 km) |
