| Leighton Buzzard to Ianca | 1,359.80 mi (2,188.39 km) |
| Leighton Buzzard to Iasi | 1,299.50 mi (2,091.35 km) |
| Leighton Buzzard to Iernut | 1,179.08 mi (1,897.54 km) |
| Leighton Buzzard to Ineu | 1,079.48 mi (1,737.25 km) |
| Leighton Buzzard to Jibou | 1,112.33 mi (1,790.12 km) |
| Leighton Buzzard to Jilava | 1,330.26 mi (2,140.85 km) |
| Leighton Buzzard to Jimbolia | 1,055.80 mi (1,699.15 km) |
| Leighton Buzzard to Liesti | 1,346.06 mi (2,166.27 km) |
| Leighton Buzzard to Lipova | 1,084.75 mi (1,745.73 km) |
| Leighton Buzzard to Liteni | 1,244.21 mi (2,002.37 km) |
| Leighton Buzzard to Ludus | 1,172.52 mi (1,886.99 km) |
| Leighton Buzzard to Lugoj | 1,107.96 mi (1,783.09 km) |
| Leighton Buzzard to Lupeni | 1,174.68 mi (1,890.46 km) |
| Leighton Buzzard to Magurele | 1,327.63 mi (2,136.62 km) |
| Leighton Buzzard to Mangalia | 1,454.06 mi (2,340.09 km) |
