| Iowa City to Chesterfield | 3,999.30 mi (6,436.24 km) |
| Iowa City to Chichester | 4,103.63 mi (6,604.15 km) |
| Iowa City to Chigwell | 4,108.58 mi (6,612.13 km) |
| Iowa City to Childwall | 3,941.03 mi (6,342.48 km) |
| Iowa City to Chilwell | 4,016.79 mi (6,464.40 km) |
| Iowa City to Chingford | 4,106.21 mi (6,608.31 km) |
| Iowa City to Chippenham | 4,032.07 mi (6,488.98 km) |
| Iowa City to Chislehurst | 4,115.94 mi (6,623.97 km) |
| Iowa City to Choppington | 3,932.16 mi (6,328.19 km) |
| Iowa City to Chorley | 3,942.01 mi (6,344.06 km) |
| Iowa City to Chorleywood | 4,085.95 mi (6,575.70 km) |
| Iowa City to Christchurch | 4,069.20 mi (6,548.75 km) |
| Iowa City to Churchdown | 4,016.15 mi (6,463.36 km) |
| Iowa City to Cinderford | 4,005.67 mi (6,446.50 km) |
| Iowa City to Cirencester | 4,029.04 mi (6,484.11 km) |
