| Leighton Buzzard to Karditsa | 1,383.41 mi (2,226.39 km) |
| Leighton Buzzard to Kastoria | 1,302.66 mi (2,096.43 km) |
| Leighton Buzzard to Katerini | 1,361.21 mi (2,190.65 km) |
| Leighton Buzzard to Keratsini | 1,516.70 mi (2,440.90 km) |
| Leighton Buzzard to Kerkyra | 1,297.78 mi (2,088.58 km) |
| Leighton Buzzard to Kiato | 1,482.64 mi (2,386.07 km) |
| Leighton Buzzard to Kifisia | 1,518.21 mi (2,443.33 km) |
| Leighton Buzzard to Kilkis | 1,341.42 mi (2,158.81 km) |
| Leighton Buzzard to Komotini | 1,436.17 mi (2,311.29 km) |
| Leighton Buzzard to Korinthos | 1,492.80 mi (2,402.43 km) |
| Leighton Buzzard to Koropi | 1,529.58 mi (2,461.62 km) |
| Leighton Buzzard to Korydallos | 1,517.09 mi (2,441.52 km) |
| Leighton Buzzard to Kos | 1,708.82 mi (2,750.08 km) |
| Leighton Buzzard to Kozani | 1,332.54 mi (2,144.51 km) |
| Leighton Buzzard to Lagos | 1,422.11 mi (2,288.66 km) |
