| Skelmersdale to Nuth | 408.74 mi (657.81 km) |
| Skelmersdale to Oegstgeest | 316.34 mi (509.10 km) |
| Skelmersdale to Oirschot | 367.59 mi (591.58 km) |
| Skelmersdale to Oisterwijk | 361.23 mi (581.35 km) |
| Skelmersdale to Oldebroek | 368.43 mi (592.93 km) |
| Skelmersdale to Oldenzaal | 412.88 mi (664.47 km) |
| Skelmersdale to Ommen | 388.28 mi (624.87 km) |
| Skelmersdale to Oosterend | 367.02 mi (590.67 km) |
| Skelmersdale to Oosterhout | 346.16 mi (557.09 km) |
| Skelmersdale to Oosterwolde | 376.40 mi (605.76 km) |
| Skelmersdale to Oostzaan | 327.58 mi (527.19 km) |
| Skelmersdale to Opmeer | 325.50 mi (523.83 km) |
| Skelmersdale to Oss | 368.48 mi (593.01 km) |
| Skelmersdale to Oud-Beijerland | 323.37 mi (520.41 km) |
| Skelmersdale to Oudenbosch | 334.96 mi (539.06 km) |
