| Fort Collins to Cromer | 4,633.97 mi (7,457.65 km) |
| Fort Collins to Crosby | 4,466.46 mi (7,188.08 km) |
| Fort Collins to Crowborough | 4,674.37 mi (7,522.68 km) |
| Fort Collins to Croxley Green | 4,629.04 mi (7,449.72 km) |
| Fort Collins to Croydon | 4,651.97 mi (7,486.62 km) |
| Fort Collins to Cudworth | 4,517.19 mi (7,269.71 km) |
| Fort Collins to Culcheth | 4,485.16 mi (7,218.17 km) |
| Fort Collins to Cullercoats | 4,458.37 mi (7,175.05 km) |
| Fort Collins to Cumbernauld | 4,340.04 mi (6,984.62 km) |
| Fort Collins to Cumnock | 4,349.78 mi (7,000.29 km) |
| Fort Collins to Cupar | 4,357.49 mi (7,012.70 km) |
| Fort Collins to Cwmbran | 4,539.66 mi (7,305.88 km) |
| Fort Collins to Dagenham | 4,653.60 mi (7,489.24 km) |
| Fort Collins to Dalkeith | 4,372.16 mi (7,036.32 km) |
| Fort Collins to Darfield | 4,519.94 mi (7,274.14 km) |
