| Houghton Regis to Kanjiza | 1,011.88 mi (1,628.47 km) |
| Houghton Regis to Kikinda | 1,036.68 mi (1,668.37 km) |
| Houghton Regis to Kladovo | 1,170.88 mi (1,884.36 km) |
| Houghton Regis to Knic | 1,121.99 mi (1,805.67 km) |
| Houghton Regis to Knjazevac | 1,207.87 mi (1,943.88 km) |
| Houghton Regis to Koceljeva | 1,062.99 mi (1,710.72 km) |
| Houghton Regis to Kosjeric | 1,086.80 mi (1,749.03 km) |
| Houghton Regis to Kovacica | 1,070.48 mi (1,722.77 km) |
| Houghton Regis to Kovin | 1,098.45 mi (1,767.79 km) |
| Houghton Regis to Kragujevac | 1,126.84 mi (1,813.48 km) |
| Houghton Regis to Kraljevo | 1,128.89 mi (1,816.77 km) |
| Houghton Regis to Krupanj | 1,049.78 mi (1,689.46 km) |
| Houghton Regis to Krusevac | 1,160.17 mi (1,867.11 km) |
| Houghton Regis to Kucevo | 1,137.26 mi (1,830.25 km) |
| Houghton Regis to Kula | 1,007.80 mi (1,621.90 km) |
