| West Sacramento to Nuth | 5,485.29 mi (8,827.72 km) |
| West Sacramento to Oegstgeest | 5,379.09 mi (8,656.81 km) |
| West Sacramento to Oirschot | 5,438.12 mi (8,751.81 km) |
| West Sacramento to Oisterwijk | 5,430.95 mi (8,740.27 km) |
| West Sacramento to Oldebroek | 5,403.72 mi (8,696.45 km) |
| West Sacramento to Oldenzaal | 5,438.30 mi (8,752.10 km) |
| West Sacramento to Ommen | 5,413.89 mi (8,712.81 km) |
| West Sacramento to Oosterend | 5,378.56 mi (8,655.95 km) |
| West Sacramento to Oosterhout | 5,418.34 mi (8,719.98 km) |
| West Sacramento to Oosterwolde | 5,385.19 mi (8,666.62 km) |
| West Sacramento to Oostzaan | 5,377.25 mi (8,653.85 km) |
| West Sacramento to Opmeer | 5,364.95 mi (8,634.06 km) |
| West Sacramento to Oss | 5,429.85 mi (8,738.49 km) |
| West Sacramento to Oud-Beijerland | 5,396.57 mi (8,684.94 km) |
| West Sacramento to Oudenbosch | 5,411.99 mi (8,709.76 km) |
