| Fort Collins to Kothen | 5,024.31 mi (8,085.84 km) |
| Fort Collins to Kranenburg | 4,837.45 mi (7,785.12 km) |
| Fort Collins to Krefeld | 4,876.31 mi (7,847.66 km) |
| Fort Collins to Kressbronn am Bodensee | 5,151.80 mi (8,291.02 km) |
| Fort Collins to Kreuzau | 4,900.71 mi (7,886.93 km) |
| Fort Collins to Kreuztal | 4,938.35 mi (7,947.51 km) |
| Fort Collins to Kriftel | 4,995.93 mi (8,040.18 km) |
| Fort Collins to Kronach | 5,079.62 mi (8,174.86 km) |
| Fort Collins to Kronberg | 4,992.27 mi (8,034.29 km) |
| Fort Collins to Kronshagen | 4,845.65 mi (7,798.32 km) |
| Fort Collins to Krumbach | 5,145.52 mi (8,280.92 km) |
| Fort Collins to Kulmbach | 5,089.79 mi (8,191.23 km) |
| Fort Collins to Kummersbruck | 5,137.41 mi (8,267.86 km) |
| Fort Collins to Kunzell | 5,013.88 mi (8,069.06 km) |
| Fort Collins to Kunzelsau | 5,073.41 mi (8,164.86 km) |
