| West Des Moines to Nuth | 4,433.84 mi (7,135.58 km) |
| West Des Moines to Oegstgeest | 4,334.27 mi (6,975.34 km) |
| West Des Moines to Oirschot | 4,390.15 mi (7,065.27 km) |
| West Des Moines to Oisterwijk | 4,383.36 mi (7,054.34 km) |
| West Des Moines to Oldebroek | 4,374.20 mi (7,039.59 km) |
| West Des Moines to Oldenzaal | 4,415.27 mi (7,105.69 km) |
| West Des Moines to Ommen | 4,389.51 mi (7,064.23 km) |
| West Des Moines to Oosterend | 4,358.41 mi (7,014.18 km) |
| West Des Moines to Oosterhout | 4,368.86 mi (7,031.00 km) |
| West Des Moines to Oosterwolde | 4,366.65 mi (7,027.45 km) |
| West Des Moines to Oostzaan | 4,339.35 mi (6,983.52 km) |
| West Des Moines to Opmeer | 4,331.47 mi (6,970.82 km) |
| West Des Moines to Oss | 4,387.42 mi (7,060.87 km) |
| West Des Moines to Oud-Beijerland | 4,345.94 mi (6,994.11 km) |
| West Des Moines to Oudenbosch | 4,359.09 mi (7,015.27 km) |
