| West Plains to Nuth | 4,605.87 mi (7,412.43 km) |
| West Plains to Oegstgeest | 4,509.85 mi (7,257.91 km) |
| West Plains to Oirschot | 4,563.91 mi (7,344.91 km) |
| West Plains to Oisterwijk | 4,557.34 mi (7,334.33 km) |
| West Plains to Oldebroek | 4,553.75 mi (7,328.56 km) |
| West Plains to Oldenzaal | 4,596.11 mi (7,396.73 km) |
| West Plains to Ommen | 4,570.35 mi (7,355.26 km) |
| West Plains to Oosterend | 4,540.97 mi (7,307.98 km) |
| West Plains to Oosterhout | 4,542.48 mi (7,310.41 km) |
| West Plains to Oosterwolde | 4,549.56 mi (7,321.81 km) |
| West Plains to Oostzaan | 4,516.95 mi (7,269.33 km) |
| West Plains to Opmeer | 4,510.50 mi (7,258.96 km) |
| West Plains to Oss | 4,562.90 mi (7,343.29 km) |
| West Plains to Oud-Beijerland | 4,519.56 mi (7,273.53 km) |
| West Plains to Oudenbosch | 4,531.81 mi (7,293.24 km) |
