| Fort Collins to Celano | 5,559.90 mi (8,947.80 km) |
| Fort Collins to Cento | 5,348.61 mi (8,607.76 km) |
| Fort Collins to Cepagatti | 5,563.18 mi (8,953.08 km) |
| Fort Collins to Ceprano | 5,585.79 mi (8,989.46 km) |
| Fort Collins to Cercola | 5,649.86 mi (9,092.57 km) |
| Fort Collins to Cerea | 5,323.26 mi (8,566.96 km) |
| Fort Collins to Cerese | 5,314.71 mi (8,553.20 km) |
| Fort Collins to Cerignola | 5,682.73 mi (9,145.47 km) |
| Fort Collins to Cermenate | 5,225.69 mi (8,409.93 km) |
| Fort Collins to Cernusco sul Naviglio | 5,243.18 mi (8,438.09 km) |
| Fort Collins to Cerreto Guidi | 5,382.60 mi (8,662.45 km) |
| Fort Collins to Cerro Maggiore | 5,225.90 mi (8,410.27 km) |
| Fort Collins to Certaldo | 5,398.93 mi (8,688.75 km) |
| Fort Collins to Cerveteri | 5,513.29 mi (8,872.79 km) |
| Fort Collins to Cervia | 5,408.89 mi (8,704.77 km) |
