| Council Bluffs to Collegno | 4,830.47 mi (7,773.90 km) |
| Council Bluffs to Cologno al Serio | 4,888.21 mi (7,866.82 km) |
| Council Bluffs to Cologno Monzese | 4,874.95 mi (7,845.47 km) |
| Council Bluffs to Colorno | 4,942.57 mi (7,954.30 km) |
| Council Bluffs to Comacchio | 5,019.76 mi (8,078.53 km) |
| Council Bluffs to Comiso | 5,476.73 mi (8,813.94 km) |
| Council Bluffs to Como | 4,855.40 mi (7,814.01 km) |
| Council Bluffs to Concordia Sagittaria | 4,995.16 mi (8,038.93 km) |
| Council Bluffs to Concorezzo | 4,874.40 mi (7,844.59 km) |
| Council Bluffs to Conegliano | 4,969.72 mi (7,997.99 km) |
| Council Bluffs to Conselice | 5,015.23 mi (8,071.23 km) |
| Council Bluffs to Conselve | 4,983.81 mi (8,020.66 km) |
| Council Bluffs to Conversano | 5,378.43 mi (8,655.74 km) |
| Council Bluffs to Copertino | 5,447.24 mi (8,766.48 km) |
| Council Bluffs to Copparo | 4,997.75 mi (8,043.10 km) |
