| Widnes to Kanjiza | 1,128.93 mi (1,816.84 km) |
| Widnes to Kikinda | 1,153.92 mi (1,857.05 km) |
| Widnes to Kladovo | 1,288.79 mi (2,074.11 km) |
| Widnes to Knic | 1,245.01 mi (2,003.66 km) |
| Widnes to Knjazevac | 1,329.34 mi (2,139.37 km) |
| Widnes to Koceljeva | 1,185.89 mi (1,908.50 km) |
| Widnes to Kosjeric | 1,210.86 mi (1,948.69 km) |
| Widnes to Kovacica | 1,190.00 mi (1,915.12 km) |
| Widnes to Kovin | 1,218.59 mi (1,961.13 km) |
| Widnes to Kragujevac | 1,249.24 mi (2,010.45 km) |
| Widnes to Kraljevo | 1,252.49 mi (2,015.68 km) |
| Widnes to Krupanj | 1,173.70 mi (1,888.88 km) |
| Widnes to Krusevac | 1,283.14 mi (2,065.02 km) |
| Widnes to Kucevo | 1,257.09 mi (2,023.09 km) |
| Widnes to Kula | 1,127.48 mi (1,814.51 km) |
