| Fort Collins to Corato | 5,705.85 mi (9,182.69 km) |
| Fort Collins to Corbetta | 5,231.17 mi (8,418.76 km) |
| Fort Collins to Corciano | 5,462.82 mi (8,791.55 km) |
| Fort Collins to Cordenons | 5,334.11 mi (8,584.42 km) |
| Fort Collins to Cori | 5,559.83 mi (8,947.68 km) |
| Fort Collins to Coriano | 5,431.86 mi (8,741.74 km) |
| Fort Collins to Corigliano Calabro | 5,791.03 mi (9,319.77 km) |
| Fort Collins to Corleone | 5,768.50 mi (9,283.51 km) |
| Fort Collins to Cormano | 5,235.81 mi (8,426.23 km) |
| Fort Collins to Cornaredo | 5,233.61 mi (8,422.68 km) |
| Fort Collins to Cornate d'Adda | 5,241.33 mi (8,435.10 km) |
| Fort Collins to Cornedo Vicentino | 5,307.19 mi (8,541.10 km) |
| Fort Collins to Correggio | 5,329.58 mi (8,577.13 km) |
| Fort Collins to Corridonia | 5,499.36 mi (8,850.36 km) |
| Fort Collins to Corsico | 5,239.72 mi (8,432.51 km) |
