| Council Bluffs to Opwijk | 4,460.90 mi (7,179.12 km) |
| Council Bluffs to Ostend | 4,405.56 mi (7,090.06 km) |
| Council Bluffs to Oud-Heverlee | 4,483.43 mi (7,215.39 km) |
| Council Bluffs to Oud-Turnhout | 4,475.37 mi (7,202.41 km) |
| Council Bluffs to Oudenaarde | 4,444.62 mi (7,152.92 km) |
| Council Bluffs to Oudenburg | 4,410.09 mi (7,097.36 km) |
| Council Bluffs to Oupeye | 4,523.16 mi (7,279.32 km) |
| Council Bluffs to Overijse | 4,480.67 mi (7,210.94 km) |
| Council Bluffs to Overpelt | 4,494.64 mi (7,233.43 km) |
| Council Bluffs to Paal | 4,493.16 mi (7,231.05 km) |
| Council Bluffs to Peer | 4,499.32 mi (7,240.95 km) |
| Council Bluffs to Pepinster | 4,535.06 mi (7,298.47 km) |
| Council Bluffs to Peruwelz | 4,457.12 mi (7,173.04 km) |
| Council Bluffs to Perwez | 4,497.08 mi (7,237.36 km) |
| Council Bluffs to Philippeville | 4,504.56 mi (7,249.40 km) |
