| Fort Collins to Karis | 4,902.97 mi (7,890.57 km) |
| Fort Collins to Karkkila | 4,889.88 mi (7,869.51 km) |
| Fort Collins to Kauhajoki | 4,745.93 mi (7,637.84 km) |
| Fort Collins to Kauhava | 4,728.82 mi (7,610.30 km) |
| Fort Collins to Kauniainen | 4,917.99 mi (7,914.74 km) |
| Fort Collins to Kemi | 4,617.38 mi (7,430.95 km) |
| Fort Collins to Kemijarvi | 4,614.21 mi (7,425.86 km) |
| Fort Collins to Kempele | 4,678.73 mi (7,529.69 km) |
| Fort Collins to Kerava | 4,915.72 mi (7,911.09 km) |
| Fort Collins to Keuruu | 4,806.79 mi (7,735.78 km) |
| Fort Collins to Kiiminki | 4,671.64 mi (7,518.28 km) |
| Fort Collins to Kirkkonummi | 4,916.69 mi (7,912.65 km) |
| Fort Collins to Kitee | 4,919.61 mi (7,917.34 km) |
| Fort Collins to Kiuruvesi | 4,767.92 mi (7,673.23 km) |
| Fort Collins to Kivisto | 4,914.54 mi (7,909.18 km) |
