| Luton to Karis | 1,080.29 mi (1,738.55 km) |
| Luton to Karkkila | 1,109.53 mi (1,785.62 km) |
| Luton to Kauhajoki | 1,107.01 mi (1,781.56 km) |
| Luton to Kauhava | 1,154.83 mi (1,858.51 km) |
| Luton to Kauniainen | 1,118.33 mi (1,799.77 km) |
| Luton to Kemi | 1,292.60 mi (2,080.24 km) |
| Luton to Kemijarvi | 1,396.84 mi (2,248.00 km) |
| Luton to Kempele | 1,283.52 mi (2,065.62 km) |
| Luton to Kerava | 1,134.42 mi (1,825.68 km) |
| Luton to Keuruu | 1,172.62 mi (1,887.15 km) |
| Luton to Kiiminki | 1,298.22 mi (2,089.29 km) |
| Luton to Kirkkonummi | 1,105.75 mi (1,779.53 km) |
| Luton to Kitee | 1,330.70 mi (2,141.56 km) |
| Luton to Kiuruvesi | 1,269.32 mi (2,042.77 km) |
| Luton to Kivisto | 1,124.44 mi (1,809.62 km) |
