| Leighton Buzzard to Glyka Nera | 1,524.01 mi (2,452.66 km) |
| Leighton Buzzard to Grevena | 1,329.72 mi (2,139.98 km) |
| Leighton Buzzard to Ialysos | 1,765.55 mi (2,841.37 km) |
| Leighton Buzzard to Ilion | 1,516.41 mi (2,440.42 km) |
| Leighton Buzzard to Ilioupoli | 1,523.33 mi (2,451.56 km) |
| Leighton Buzzard to Ioannina | 1,329.45 mi (2,139.54 km) |
| Leighton Buzzard to Irakleio | 1,708.56 mi (2,749.67 km) |
| Leighton Buzzard to Irakleio | 1,518.04 mi (2,443.04 km) |
| Leighton Buzzard to Kaisariani | 1,521.86 mi (2,449.20 km) |
| Leighton Buzzard to Kalamaria | 1,363.33 mi (2,194.07 km) |
| Leighton Buzzard to Kalamata | 1,510.44 mi (2,430.82 km) |
| Leighton Buzzard to Kallithea | 1,520.63 mi (2,447.22 km) |
| Leighton Buzzard to Kalymnos | 1,692.35 mi (2,723.58 km) |
| Leighton Buzzard to Kalyvia Thorikou | 1,534.57 mi (2,469.65 km) |
| Leighton Buzzard to Kamatero | 1,515.52 mi (2,438.99 km) |
