| Fort Collins to Caltagirone | 5,842.68 mi (9,402.88 km) |
| Fort Collins to Caltanissetta | 5,813.20 mi (9,355.43 km) |
| Fort Collins to Calvisano | 5,286.19 mi (8,507.30 km) |
| Fort Collins to Calvizzano | 5,642.32 mi (9,080.44 km) |
| Fort Collins to Camaiore | 5,354.01 mi (8,616.45 km) |
| Fort Collins to Cameri | 5,220.30 mi (8,401.26 km) |
| Fort Collins to Camisano Vicentino | 5,324.51 mi (8,568.98 km) |
| Fort Collins to Campagna | 5,686.30 mi (9,151.22 km) |
| Fort Collins to Campagnano di Roma | 5,516.56 mi (8,878.05 km) |
| Fort Collins to Campi Bisenzio | 5,388.83 mi (8,672.48 km) |
| Fort Collins to Campi Salentina | 5,800.09 mi (9,334.35 km) |
| Fort Collins to Campiglia Marittima | 5,407.83 mi (8,703.06 km) |
| Fort Collins to Campobasso | 5,624.87 mi (9,052.35 km) |
| Fort Collins to Campobello di Licata | 5,820.21 mi (9,366.72 km) |
| Fort Collins to Campobello di Mazara | 5,757.57 mi (9,265.92 km) |
