| Grande-Synthe to Imielin | 743.03 mi (1,195.79 km) |
| Grande-Synthe to Inowroclaw | 689.81 mi (1,110.15 km) |
| Grande-Synthe to Janow Lubelski | 874.64 mi (1,407.60 km) |
| Grande-Synthe to Jarocin | 655.89 mi (1,055.55 km) |
| Grande-Synthe to Jaroslaw | 894.99 mi (1,440.35 km) |
| Grande-Synthe to Jasien | 716.84 mi (1,153.64 km) |
| Grande-Synthe to Jaslo | 846.65 mi (1,362.56 km) |
| Grande-Synthe to Jastrzebie-Zdroj | 718.06 mi (1,155.61 km) |
| Grande-Synthe to Jawor | 602.97 mi (970.38 km) |
| Grande-Synthe to Jaworzno | 744.40 mi (1,198.00 km) |
| Grande-Synthe to Jedrzejow | 784.01 mi (1,261.74 km) |
| Grande-Synthe to Jelcz-Laskowice | 652.09 mi (1,049.43 km) |
| Grande-Synthe to Jelenia Gora | 583.79 mi (939.52 km) |
| Grande-Synthe to Jozefoslaw | 806.40 mi (1,297.77 km) |
| Grande-Synthe to Jozefow | 814.25 mi (1,310.40 km) |
