| Thornton Heath to Kidricevo | 798.41 mi (1,284.92 km) |
| Thornton Heath to Kobarid | 715.61 mi (1,151.67 km) |
| Thornton Heath to Kobilje | 813.11 mi (1,308.57 km) |
| Thornton Heath to Kocevje | 789.95 mi (1,271.30 km) |
| Thornton Heath to Komen | 739.68 mi (1,190.39 km) |
| Thornton Heath to Komenda | 755.11 mi (1,215.23 km) |
| Thornton Heath to Koper | 750.06 mi (1,207.11 km) |
| Thornton Heath to Kostanjevica na Krki | 804.30 mi (1,294.39 km) |
| Thornton Heath to Kostel | 797.37 mi (1,283.24 km) |
| Thornton Heath to Kozje | 800.97 mi (1,289.03 km) |
| Thornton Heath to Kranj | 747.26 mi (1,202.60 km) |
| Thornton Heath to Kranjska Gora | 714.60 mi (1,150.05 km) |
| Thornton Heath to Krizevci | 806.79 mi (1,298.40 km) |
| Thornton Heath to Krsko | 802.64 mi (1,291.72 km) |
| Thornton Heath to Kuzma | 795.17 mi (1,279.69 km) |
