| Iowa City to Celano | 5,007.41 mi (8,058.64 km) |
| Iowa City to Cento | 4,802.54 mi (7,728.94 km) |
| Iowa City to Cepagatti | 5,014.39 mi (8,069.89 km) |
| Iowa City to Ceprano | 5,030.08 mi (8,095.13 km) |
| Iowa City to Cercola | 5,093.77 mi (8,197.64 km) |
| Iowa City to Cerea | 4,779.77 mi (7,692.30 km) |
| Iowa City to Cerese | 4,768.49 mi (7,674.14 km) |
| Iowa City to Cerignola | 5,135.44 mi (8,264.69 km) |
| Iowa City to Cermenate | 4,677.10 mi (7,527.06 km) |
| Iowa City to Cernusco sul Naviglio | 4,694.40 mi (7,554.90 km) |
| Iowa City to Cerreto Guidi | 4,829.16 mi (7,771.78 km) |
| Iowa City to Cerro Maggiore | 4,676.19 mi (7,525.59 km) |
| Iowa City to Certaldo | 4,844.82 mi (7,796.98 km) |
| Iowa City to Cerveteri | 4,954.39 mi (7,973.33 km) |
| Iowa City to Cervia | 4,864.22 mi (7,828.20 km) |
