| Fort Collins to Butzbach | 4,985.56 mi (8,023.48 km) |
| Fort Collins to Buxtehude | 4,874.61 mi (7,844.93 km) |
| Fort Collins to Cadolzburg | 5,103.47 mi (8,213.24 km) |
| Fort Collins to Calbe | 5,012.58 mi (8,066.96 km) |
| Fort Collins to Calw | 5,069.33 mi (8,158.30 km) |
| Fort Collins to Castrop-Rauxel | 4,890.46 mi (7,870.43 km) |
| Fort Collins to Celle | 4,926.42 mi (7,928.31 km) |
| Fort Collins to Cham | 5,171.45 mi (8,322.65 km) |
| Fort Collins to Chemnitz | 5,099.71 mi (8,207.19 km) |
| Fort Collins to Clausthal-Zellerfeld | 4,973.29 mi (8,003.74 km) |
| Fort Collins to Cloppenburg | 4,853.46 mi (7,810.89 km) |
| Fort Collins to Coburg | 5,067.02 mi (8,154.58 km) |
| Fort Collins to Coesfeld | 4,867.25 mi (7,833.08 km) |
| Fort Collins to Cologne | 4,907.04 mi (7,897.13 km) |
| Fort Collins to Coswig | 5,105.03 mi (8,215.75 km) |
