| Hartlepool to Kidricevo | 936.75 mi (1,507.55 km) |
| Hartlepool to Kobarid | 870.50 mi (1,400.94 km) |
| Hartlepool to Kobilje | 944.38 mi (1,519.83 km) |
| Hartlepool to Kocevje | 942.87 mi (1,517.40 km) |
| Hartlepool to Komen | 898.14 mi (1,445.41 km) |
| Hartlepool to Komenda | 903.93 mi (1,454.73 km) |
| Hartlepool to Koper | 911.41 mi (1,466.78 km) |
| Hartlepool to Kostanjevica na Krki | 951.38 mi (1,531.11 km) |
| Hartlepool to Kostel | 951.36 mi (1,531.06 km) |
| Hartlepool to Kozje | 944.67 mi (1,520.29 km) |
| Hartlepool to Kranj | 896.93 mi (1,443.47 km) |
| Hartlepool to Kranjska Gora | 865.25 mi (1,392.49 km) |
| Hartlepool to Krizevci | 941.10 mi (1,514.55 km) |
| Hartlepool to Krsko | 948.21 mi (1,526.00 km) |
| Hartlepool to Kuzma | 926.49 mi (1,491.05 km) |
