| Fort Collins to Cabestany | 5,144.33 mi (8,278.99 km) |
| Fort Collins to Cabries | 5,200.60 mi (8,369.56 km) |
| Fort Collins to Cachan | 4,847.60 mi (7,801.45 km) |
| Fort Collins to Caen | 4,735.23 mi (7,620.61 km) |
| Fort Collins to Cagnes-sur-Mer | 5,254.79 mi (8,456.76 km) |
| Fort Collins to Cahors | 5,007.63 mi (8,059.01 km) |
| Fort Collins to Calais | 4,737.18 mi (7,623.76 km) |
| Fort Collins to Caluire-et-Cuire | 5,071.94 mi (8,162.50 km) |
| Fort Collins to Cambrai | 4,817.78 mi (7,753.46 km) |
| Fort Collins to Canet-en-Roussillon | 5,145.64 mi (8,281.10 km) |
| Fort Collins to Cannes | 5,255.23 mi (8,457.48 km) |
| Fort Collins to Canteleu | 4,773.40 mi (7,682.05 km) |
| Fort Collins to Capbreton | 4,932.93 mi (7,938.78 km) |
| Fort Collins to Carcassonne | 5,097.68 mi (8,203.92 km) |
| Fort Collins to Carmaux | 5,052.51 mi (8,131.23 km) |
