| Castleton to Kidricevo | 936.00 mi (1,506.35 km) |
| Castleton to Kobarid | 862.10 mi (1,387.42 km) |
| Castleton to Kobilje | 946.65 mi (1,523.49 km) |
| Castleton to Kocevje | 935.76 mi (1,505.97 km) |
| Castleton to Komen | 888.27 mi (1,429.53 km) |
| Castleton to Komenda | 898.44 mi (1,445.90 km) |
| Castleton to Koper | 900.28 mi (1,448.86 km) |
| Castleton to Kostanjevica na Krki | 946.92 mi (1,523.93 km) |
| Castleton to Kostel | 943.81 mi (1,518.91 km) |
| Castleton to Kozje | 941.65 mi (1,515.44 km) |
| Castleton to Kranj | 891.03 mi (1,433.97 km) |
| Castleton to Kranjska Gora | 858.72 mi (1,381.97 km) |
| Castleton to Krizevci | 942.08 mi (1,516.13 km) |
| Castleton to Krsko | 944.40 mi (1,519.86 km) |
| Castleton to Kuzma | 928.64 mi (1,494.50 km) |
