| Leighton Buzzard to Kanjiza | 1,017.75 mi (1,637.91 km) |
| Leighton Buzzard to Kikinda | 1,042.54 mi (1,677.80 km) |
| Leighton Buzzard to Kladovo | 1,176.73 mi (1,893.77 km) |
| Leighton Buzzard to Knic | 1,127.75 mi (1,814.95 km) |
| Leighton Buzzard to Knjazevac | 1,213.66 mi (1,953.20 km) |
| Leighton Buzzard to Koceljeva | 1,068.76 mi (1,720.00 km) |
| Leighton Buzzard to Kosjeric | 1,092.54 mi (1,758.27 km) |
| Leighton Buzzard to Kovacica | 1,076.31 mi (1,732.15 km) |
| Leighton Buzzard to Kovin | 1,104.27 mi (1,777.16 km) |
| Leighton Buzzard to Kragujevac | 1,132.62 mi (1,822.77 km) |
| Leighton Buzzard to Kraljevo | 1,134.64 mi (1,826.02 km) |
| Leighton Buzzard to Krupanj | 1,055.53 mi (1,698.71 km) |
| Leighton Buzzard to Krusevac | 1,165.93 mi (1,876.39 km) |
| Leighton Buzzard to Kucevo | 1,143.09 mi (1,839.62 km) |
| Leighton Buzzard to Kula | 1,013.63 mi (1,631.28 km) |
