| Waltham Cross to Kidricevo | 802.15 mi (1,290.94 km) |
| Waltham Cross to Kobarid | 721.11 mi (1,160.51 km) |
| Waltham Cross to Kobilje | 816.08 mi (1,313.35 km) |
| Waltham Cross to Kocevje | 795.38 mi (1,280.05 km) |
| Waltham Cross to Komen | 745.67 mi (1,200.04 km) |
| Waltham Cross to Komenda | 759.97 mi (1,223.05 km) |
| Waltham Cross to Koper | 756.45 mi (1,217.38 km) |
| Waltham Cross to Kostanjevica na Krki | 809.07 mi (1,302.06 km) |
| Waltham Cross to Kostel | 802.94 mi (1,292.21 km) |
| Waltham Cross to Kozje | 805.33 mi (1,296.05 km) |
| Waltham Cross to Kranj | 752.20 mi (1,210.56 km) |
| Waltham Cross to Kranjska Gora | 719.58 mi (1,158.05 km) |
| Waltham Cross to Krizevci | 810.08 mi (1,303.70 km) |
| Waltham Cross to Krsko | 807.22 mi (1,299.10 km) |
| Waltham Cross to Kuzma | 798.10 mi (1,284.41 km) |
