| Fort Collins to Kanjiza | 5,562.65 mi (8,952.22 km) |
| Fort Collins to Kikinda | 5,587.27 mi (8,991.84 km) |
| Fort Collins to Kladovo | 5,718.86 mi (9,203.62 km) |
| Fort Collins to Knic | 5,698.89 mi (9,171.48 km) |
| Fort Collins to Knjazevac | 5,774.27 mi (9,292.79 km) |
| Fort Collins to Koceljeva | 5,640.82 mi (9,078.03 km) |
| Fort Collins to Kosjeric | 5,669.52 mi (9,124.21 km) |
| Fort Collins to Kovacica | 5,631.37 mi (9,062.82 km) |
| Fort Collins to Kovin | 5,661.45 mi (9,111.22 km) |
| Fort Collins to Kragujevac | 5,700.48 mi (9,174.04 km) |
| Fort Collins to Kraljevo | 5,708.43 mi (9,186.83 km) |
| Fort Collins to Krupanj | 5,632.67 mi (9,064.91 km) |
| Fort Collins to Krusevac | 5,735.83 mi (9,230.92 km) |
| Fort Collins to Kucevo | 5,697.20 mi (9,168.75 km) |
| Fort Collins to Kula | 5,571.92 mi (8,967.13 km) |
