| Fort Collins to Koscian | 5,146.89 mi (8,283.11 km) |
| Fort Collins to Koscielisko | 5,385.76 mi (8,667.55 km) |
| Fort Collins to Koscierzyna | 5,079.20 mi (8,174.18 km) |
| Fort Collins to Kostrzyn | 5,147.11 mi (8,283.47 km) |
| Fort Collins to Kostrzyn nad Odra | 5,064.38 mi (8,150.32 km) |
| Fort Collins to Koszalin | 5,025.98 mi (8,088.54 km) |
| Fort Collins to Kowary | 5,189.25 mi (8,351.29 km) |
| Fort Collins to Kozienice | 5,309.35 mi (8,544.57 km) |
| Fort Collins to Kozuchow | 5,133.68 mi (8,261.86 km) |
| Fort Collins to Kozy | 5,333.76 mi (8,583.86 km) |
| Fort Collins to Krakow | 5,345.87 mi (8,603.35 km) |
| Fort Collins to Krapkowice | 5,268.22 mi (8,478.38 km) |
| Fort Collins to Krasnik | 5,362.89 mi (8,630.73 km) |
| Fort Collins to Krasnystaw | 5,385.12 mi (8,666.51 km) |
| Fort Collins to Krosno | 5,416.98 mi (8,717.79 km) |
