| Iowa City to Caltagirone | 5,267.85 mi (8,477.79 km) |
| Iowa City to Caltanissetta | 5,237.81 mi (8,429.44 km) |
| Iowa City to Calvisano | 4,740.23 mi (7,628.67 km) |
| Iowa City to Calvizzano | 5,085.73 mi (8,184.69 km) |
| Iowa City to Camaiore | 4,799.30 mi (7,723.73 km) |
| Iowa City to Cameri | 4,668.84 mi (7,513.77 km) |
| Iowa City to Camisano Vicentino | 4,784.95 mi (7,700.63 km) |
| Iowa City to Campagna | 5,132.26 mi (8,259.57 km) |
| Iowa City to Campagnano di Roma | 4,959.56 mi (7,981.64 km) |
| Iowa City to Campi Bisenzio | 4,836.66 mi (7,783.86 km) |
| Iowa City to Campi Salentina | 5,257.27 mi (8,460.77 km) |
| Iowa City to Campiglia Marittima | 4,849.23 mi (7,804.08 km) |
| Iowa City to Campobasso | 5,074.03 mi (8,165.86 km) |
| Iowa City to Campobello di Licata | 5,242.99 mi (8,437.78 km) |
| Iowa City to Campobello di Mazara | 5,177.60 mi (8,332.54 km) |
