| Fort Collins to Krosno Odrzanskie | 5,104.83 mi (8,215.42 km) |
| Fort Collins to Krotoszyn | 5,189.76 mi (8,352.11 km) |
| Fort Collins to Kruszwica | 5,163.26 mi (8,309.46 km) |
| Fort Collins to Krynica | 5,409.39 mi (8,705.57 km) |
| Fort Collins to Krzeszowice | 5,333.44 mi (8,583.34 km) |
| Fort Collins to Kudowa-Zdroj | 5,219.29 mi (8,399.64 km) |
| Fort Collins to Kutno | 5,215.00 mi (8,392.74 km) |
| Fort Collins to Kwidzyn | 5,124.41 mi (8,246.93 km) |
| Fort Collins to Lancut | 5,409.50 mi (8,705.76 km) |
| Fort Collins to Lapy | 5,268.16 mi (8,478.29 km) |
| Fort Collins to Lask | 5,242.41 mi (8,436.84 km) |
| Fort Collins to Laziska Gorne | 5,310.22 mi (8,545.97 km) |
| Fort Collins to Lebork | 5,050.61 mi (8,128.16 km) |
| Fort Collins to Leczna | 5,359.85 mi (8,625.85 km) |
| Fort Collins to Leczyca | 5,220.07 mi (8,400.89 km) |
