| Council Bluffs to Castelfidardo | 5,127.16 mi (8,251.36 km) |
| Council Bluffs to Castelfiorentino | 5,024.58 mi (8,086.28 km) |
| Council Bluffs to Castelfranco di Sopra | 5,045.76 mi (8,120.36 km) |
| Council Bluffs to Castelfranco di Sotto | 5,011.87 mi (8,065.82 km) |
| Council Bluffs to Castelfranco Emilia | 4,982.64 mi (8,018.78 km) |
| Council Bluffs to Castelfranco Veneto | 4,966.53 mi (7,992.86 km) |
| Council Bluffs to Castellabate | 5,330.56 mi (8,578.71 km) |
| Council Bluffs to Castellammare del Golfo | 5,357.19 mi (8,621.57 km) |
| Council Bluffs to Castellammare di Stabia | 5,292.76 mi (8,517.88 km) |
| Council Bluffs to Castellamonte | 4,822.57 mi (7,761.18 km) |
| Council Bluffs to Castellana Grotte | 5,384.35 mi (8,665.27 km) |
| Council Bluffs to Castellaneta | 5,387.89 mi (8,670.97 km) |
| Council Bluffs to Castellanza | 4,856.96 mi (7,816.53 km) |
| Council Bluffs to Castellarano | 4,973.96 mi (8,004.81 km) |
| Council Bluffs to Castelleone | 4,903.23 mi (7,890.98 km) |
