| Fort Collins to Kidricevo | 5,413.09 mi (8,711.52 km) |
| Fort Collins to Kobarid | 5,349.75 mi (8,609.59 km) |
| Fort Collins to Kobilje | 5,417.57 mi (8,718.73 km) |
| Fort Collins to Kocevje | 5,422.13 mi (8,726.07 km) |
| Fort Collins to Komen | 5,377.15 mi (8,653.69 km) |
| Fort Collins to Komenda | 5,382.94 mi (8,663.01 km) |
| Fort Collins to Koper | 5,390.04 mi (8,674.42 km) |
| Fort Collins to Kostanjevica na Krki | 5,429.97 mi (8,738.70 km) |
| Fort Collins to Kostel | 5,430.64 mi (8,739.77 km) |
| Fort Collins to Kozje | 5,422.56 mi (8,726.77 km) |
| Fort Collins to Kranj | 5,376.05 mi (8,651.92 km) |
| Fort Collins to Kranjska Gora | 5,344.49 mi (8,601.13 km) |
| Fort Collins to Krizevci | 5,415.78 mi (8,715.86 km) |
| Fort Collins to Krsko | 5,426.51 mi (8,733.13 km) |
| Fort Collins to Kuzma | 5,400.04 mi (8,690.52 km) |
