| Langenfeld to Imielin | 541.31 mi (871.15 km) |
| Langenfeld to Inowroclaw | 494.80 mi (796.30 km) |
| Langenfeld to Janow Lubelski | 673.05 mi (1,083.17 km) |
| Langenfeld to Jarocin | 456.73 mi (735.04 km) |
| Langenfeld to Jaroslaw | 693.12 mi (1,115.47 km) |
| Langenfeld to Jasien | 533.57 mi (858.69 km) |
| Langenfeld to Jaslo | 644.98 mi (1,038.00 km) |
| Langenfeld to Jastrzebie-Zdroj | 516.66 mi (831.49 km) |
| Langenfeld to Jawor | 401.25 mi (645.74 km) |
| Langenfeld to Jaworzno | 542.63 mi (873.27 km) |
| Langenfeld to Jedrzejow | 582.20 mi (936.96 km) |
| Langenfeld to Jelcz-Laskowice | 450.42 mi (724.88 km) |
| Langenfeld to Jelenia Gora | 381.94 mi (614.67 km) |
| Langenfeld to Jozefoslaw | 607.69 mi (977.98 km) |
| Langenfeld to Jozefow | 615.66 mi (990.81 km) |
