| Council Bluffs to Nuth | 4,523.20 mi (7,279.38 km) |
| Council Bluffs to Oegstgeest | 4,422.96 mi (7,118.07 km) |
| Council Bluffs to Oirschot | 4,479.18 mi (7,208.55 km) |
| Council Bluffs to Oisterwijk | 4,472.35 mi (7,197.55 km) |
| Council Bluffs to Oldebroek | 4,461.98 mi (7,180.86 km) |
| Council Bluffs to Oldenzaal | 4,502.73 mi (7,246.44 km) |
| Council Bluffs to Ommen | 4,476.99 mi (7,205.02 km) |
| Council Bluffs to Oosterend | 4,445.53 mi (7,154.40 km) |
| Council Bluffs to Oosterhout | 4,457.93 mi (7,174.35 km) |
| Council Bluffs to Oosterwolde | 4,453.70 mi (7,167.53 km) |
| Council Bluffs to Oostzaan | 4,427.60 mi (7,125.54 km) |
| Council Bluffs to Opmeer | 4,419.41 mi (7,112.35 km) |
| Council Bluffs to Oss | 4,476.08 mi (7,203.55 km) |
| Council Bluffs to Oud-Beijerland | 4,435.04 mi (7,137.50 km) |
| Council Bluffs to Oudenbosch | 4,448.36 mi (7,158.95 km) |
