| Colonia to Kidricevo | 4,280.45 mi (6,888.72 km) |
| Colonia to Kobarid | 4,194.31 mi (6,750.09 km) |
| Colonia to Kobilje | 4,295.03 mi (6,912.18 km) |
| Colonia to Kocevje | 4,268.47 mi (6,869.44 km) |
| Colonia to Komen | 4,216.24 mi (6,785.38 km) |
| Colonia to Komenda | 4,235.52 mi (6,816.41 km) |
| Colonia to Koper | 4,224.66 mi (6,798.94 km) |
| Colonia to Kostanjevica na Krki | 4,284.80 mi (6,895.71 km) |
| Colonia to Kostel | 4,275.29 mi (6,880.42 km) |
| Colonia to Kozje | 4,282.31 mi (6,891.71 km) |
| Colonia to Kranj | 4,227.49 mi (6,803.48 km) |
| Colonia to Kranjska Gora | 4,194.85 mi (6,750.96 km) |
| Colonia to Krizevci | 4,288.89 mi (6,902.29 km) |
| Colonia to Krsko | 4,283.55 mi (6,893.71 km) |
| Colonia to Kuzma | 4,277.06 mi (6,883.26 km) |
