| Leon to Ilawa | 1,374.89 mi (2,212.67 km) |
| Leon to Imielin | 1,283.29 mi (2,065.25 km) |
| Leon to Inowroclaw | 1,303.39 mi (2,097.61 km) |
| Leon to Janow Lubelski | 1,429.63 mi (2,300.76 km) |
| Leon to Jarocin | 1,251.85 mi (2,014.67 km) |
| Leon to Jaroslaw | 1,431.70 mi (2,304.10 km) |
| Leon to Jasien | 1,359.53 mi (2,187.95 km) |
| Leon to Jaslo | 1,375.42 mi (2,213.52 km) |
| Leon to Jastrzebie-Zdroj | 1,252.91 mi (2,016.36 km) |
| Leon to Jawor | 1,176.56 mi (1,893.48 km) |
| Leon to Jaworzno | 1,286.80 mi (2,070.90 km) |
| Leon to Jedrzejow | 1,338.11 mi (2,153.47 km) |
| Leon to Jelcz-Laskowice | 1,222.31 mi (1,967.12 km) |
| Leon to Jelenia Gora | 1,154.00 mi (1,857.18 km) |
| Leon to Jozefoslaw | 1,396.90 mi (2,248.10 km) |
