| Luton to Kanjiza | 1,006.89 mi (1,620.44 km) |
| Luton to Kikinda | 1,031.68 mi (1,660.33 km) |
| Luton to Kladovo | 1,165.88 mi (1,876.31 km) |
| Luton to Knic | 1,116.98 mi (1,797.60 km) |
| Luton to Knjazevac | 1,202.86 mi (1,935.81 km) |
| Luton to Koceljeva | 1,057.98 mi (1,702.65 km) |
| Luton to Kosjeric | 1,081.79 mi (1,740.97 km) |
| Luton to Kovacica | 1,065.47 mi (1,714.71 km) |
| Luton to Kovin | 1,093.45 mi (1,759.73 km) |
| Luton to Kragujevac | 1,121.83 mi (1,805.41 km) |
| Luton to Kraljevo | 1,123.87 mi (1,808.70 km) |
| Luton to Krupanj | 1,044.77 mi (1,681.39 km) |
| Luton to Krusevac | 1,155.15 mi (1,859.04 km) |
| Luton to Kucevo | 1,132.25 mi (1,822.19 km) |
| Luton to Kula | 1,002.79 mi (1,613.84 km) |
