| Fort Collins to Cehegin | 5,161.49 mi (8,306.62 km) |
| Fort Collins to Cervello | 5,164.92 mi (8,312.13 km) |
| Fort Collins to Cervera | 5,125.84 mi (8,249.24 km) |
| Fort Collins to Ceuti | 5,184.02 mi (8,342.87 km) |
| Fort Collins to Cheste | 5,145.74 mi (8,281.27 km) |
| Fort Collins to Chiclana de la Frontera | 5,048.84 mi (8,125.33 km) |
| Fort Collins to Chipiona | 5,022.96 mi (8,083.67 km) |
| Fort Collins to Chiva | 5,144.68 mi (8,279.56 km) |
| Fort Collins to Churriana de la Vega | 5,124.95 mi (8,247.80 km) |
| Fort Collins to Ciempozuelos | 4,995.62 mi (8,039.68 km) |
| Fort Collins to Cieza | 5,170.79 mi (8,321.57 km) |
| Fort Collins to Cisterniga | 4,889.69 mi (7,869.20 km) |
| Fort Collins to Ciudad de Melilla | 5,237.40 mi (8,428.78 km) |
| Fort Collins to Ciudad Real | 5,033.96 mi (8,101.37 km) |
| Fort Collins to Ciudad-Rodrigo | 4,855.62 mi (7,814.37 km) |
