| Leon to Isny im Allgau | 835.90 mi (1,345.26 km) |
| Leon to Isselburg | 849.59 mi (1,367.28 km) |
| Leon to Issum | 834.27 mi (1,342.62 km) |
| Leon to Itzehoe | 1,041.21 mi (1,675.67 km) |
| Leon to Jena | 991.03 mi (1,594.90 km) |
| Leon to Jever | 976.89 mi (1,572.15 km) |
| Leon to Jork | 1,028.26 mi (1,654.82 km) |
| Leon to Juchen | 816.47 mi (1,313.98 km) |
| Leon to Julich | 803.64 mi (1,293.34 km) |
| Leon to Juterbog | 1,082.78 mi (1,742.57 km) |
| Leon to Kaarst | 825.49 mi (1,328.49 km) |
| Leon to Kaiserslautern | 793.59 mi (1,277.16 km) |
| Leon to Kalkar | 839.71 mi (1,351.38 km) |
| Leon to Kall | 793.49 mi (1,277.00 km) |
| Leon to Kaltenkirchen | 1,050.72 mi (1,690.98 km) |
