| Fort Collins to Karlskoga | 4,727.21 mi (7,607.71 km) |
| Fort Collins to Karlskrona | 4,911.21 mi (7,903.82 km) |
| Fort Collins to Karlstad | 4,699.53 mi (7,563.17 km) |
| Fort Collins to Katrineholm | 4,785.48 mi (7,701.48 km) |
| Fort Collins to Kavlinge | 4,862.25 mi (7,825.04 km) |
| Fort Collins to Kinna | 4,767.43 mi (7,672.44 km) |
| Fort Collins to Kiruna | 4,431.26 mi (7,131.43 km) |
| Fort Collins to Klippansbruk | 4,847.59 mi (7,801.44 km) |
| Fort Collins to Koping | 4,754.53 mi (7,651.67 km) |
| Fort Collins to Kristianstad | 4,878.47 mi (7,851.14 km) |
| Fort Collins to Kristinehamn | 4,718.78 mi (7,594.14 km) |
| Fort Collins to Kumla | 4,753.21 mi (7,649.55 km) |
| Fort Collins to Kungalv | 4,731.59 mi (7,614.76 km) |
| Fort Collins to Kungsangen | 4,798.95 mi (7,723.16 km) |
| Fort Collins to Kungsbacka | 4,752.48 mi (7,648.38 km) |
