| Leighton Buzzard to Karis | 1,086.53 mi (1,748.60 km) |
| Leighton Buzzard to Karkkila | 1,115.58 mi (1,795.36 km) |
| Leighton Buzzard to Kauhajoki | 1,111.80 mi (1,789.27 km) |
| Leighton Buzzard to Kauhava | 1,159.39 mi (1,865.86 km) |
| Leighton Buzzard to Kauniainen | 1,124.60 mi (1,809.86 km) |
| Leighton Buzzard to Kemi | 1,296.10 mi (2,085.87 km) |
| Leighton Buzzard to Kemijarvi | 1,400.26 mi (2,253.49 km) |
| Leighton Buzzard to Kempele | 1,287.52 mi (2,072.06 km) |
| Leighton Buzzard to Kerava | 1,140.63 mi (1,835.67 km) |
| Leighton Buzzard to Keuruu | 1,177.83 mi (1,895.54 km) |
| Leighton Buzzard to Kiiminki | 1,302.16 mi (2,095.62 km) |
| Leighton Buzzard to Kirkkonummi | 1,112.04 mi (1,789.65 km) |
| Leighton Buzzard to Kitee | 1,336.48 mi (2,150.86 km) |
| Leighton Buzzard to Kiuruvesi | 1,274.05 mi (2,050.39 km) |
| Leighton Buzzard to Kivisto | 1,130.67 mi (1,819.63 km) |
