| Waltham Cross to Kanjiza | 987.65 mi (1,589.47 km) |
| Waltham Cross to Kikinda | 1,012.41 mi (1,629.31 km) |
| Waltham Cross to Kladovo | 1,146.49 mi (1,845.10 km) |
| Waltham Cross to Knic | 1,096.97 mi (1,765.41 km) |
| Waltham Cross to Knjazevac | 1,183.02 mi (1,903.89 km) |
| Waltham Cross to Koceljeva | 1,038.00 mi (1,670.50 km) |
| Waltham Cross to Kosjeric | 1,061.67 mi (1,708.59 km) |
| Waltham Cross to Kovacica | 1,045.90 mi (1,683.22 km) |
| Waltham Cross to Kovin | 1,073.79 mi (1,728.10 km) |
| Waltham Cross to Kragujevac | 1,101.90 mi (1,773.33 km) |
| Waltham Cross to Kraljevo | 1,103.80 mi (1,776.40 km) |
| Waltham Cross to Krupanj | 1,024.67 mi (1,649.05 km) |
| Waltham Cross to Krusevac | 1,135.15 mi (1,826.85 km) |
| Waltham Cross to Kucevo | 1,112.63 mi (1,790.60 km) |
| Waltham Cross to Kula | 983.22 mi (1,582.34 km) |
