| Council Bluffs to Cortona | 5,077.84 mi (8,172.00 km) |
| Council Bluffs to Cosenza | 5,427.09 mi (8,734.05 km) |
| Council Bluffs to Cossato | 4,831.69 mi (7,775.85 km) |
| Council Bluffs to Costa Volpino | 4,892.00 mi (7,872.92 km) |
| Council Bluffs to Creazzo | 4,956.16 mi (7,976.17 km) |
| Council Bluffs to Crema | 4,897.19 mi (7,881.27 km) |
| Council Bluffs to Cremona | 4,920.60 mi (7,918.94 km) |
| Council Bluffs to Crevalcore | 4,980.82 mi (8,015.86 km) |
| Council Bluffs to Crispiano | 5,400.65 mi (8,691.51 km) |
| Council Bluffs to Crosia | 5,433.66 mi (8,744.63 km) |
| Council Bluffs to Crotone | 5,470.52 mi (8,803.95 km) |
| Council Bluffs to Cuneo | 4,859.76 mi (7,821.03 km) |
| Council Bluffs to Cuorgne | 4,819.88 mi (7,756.85 km) |
| Council Bluffs to Cusano Milanino | 4,870.46 mi (7,838.26 km) |
| Council Bluffs to Cutro | 5,467.91 mi (8,799.75 km) |
