| Council Bluffs to Nasaud | 5,310.83 mi (8,546.96 km) |
| Council Bluffs to Navodari | 5,597.92 mi (9,008.98 km) |
| Council Bluffs to Negresti-Oas | 5,250.08 mi (8,449.18 km) |
| Council Bluffs to Nehoiu | 5,470.86 mi (8,804.51 km) |
| Council Bluffs to Ocna Mures | 5,339.48 mi (8,593.06 km) |
| Council Bluffs to Odobesti | 5,472.82 mi (8,807.65 km) |
| Council Bluffs to Odorheiu Secuiesc | 5,389.05 mi (8,672.84 km) |
| Council Bluffs to Oltenita | 5,548.19 mi (8,928.94 km) |
| Council Bluffs to Onesti | 5,437.63 mi (8,751.02 km) |
| Council Bluffs to Oradea | 5,242.59 mi (8,437.13 km) |
| Council Bluffs to Orastie | 5,345.89 mi (8,603.39 km) |
| Council Bluffs to Oravita | 5,337.15 mi (8,589.31 km) |
| Council Bluffs to Orsova | 5,376.78 mi (8,653.09 km) |
| Council Bluffs to Otelu Rosu | 5,335.08 mi (8,585.99 km) |
| Council Bluffs to Otopeni | 5,505.65 mi (8,860.50 km) |
