| Brussels to Imielin | 654.15 mi (1,052.74 km) |
| Brussels to Inowroclaw | 608.01 mi (978.50 km) |
| Brussels to Janow Lubelski | 787.24 mi (1,266.93 km) |
| Brussels to Jarocin | 571.11 mi (919.11 km) |
| Brussels to Jaroslaw | 806.55 mi (1,298.02 km) |
| Brussels to Jasien | 641.89 mi (1,033.02 km) |
| Brussels to Jaslo | 757.66 mi (1,219.34 km) |
| Brussels to Jastrzebie-Zdroj | 628.84 mi (1,012.02 km) |
| Brussels to Jawor | 515.36 mi (829.39 km) |
| Brussels to Jaworzno | 655.63 mi (1,055.14 km) |
| Brussels to Jedrzejow | 696.11 mi (1,120.27 km) |
| Brussels to Jelcz-Laskowice | 564.57 mi (908.59 km) |
| Brussels to Jelenia Gora | 495.76 mi (797.85 km) |
| Brussels to Jozefoslaw | 722.02 mi (1,161.97 km) |
| Brussels to Jozefow | 729.96 mi (1,174.76 km) |
