| Sint-Pieters-Leeuw to Imielin | 658.75 mi (1,060.15 km) |
| Sint-Pieters-Leeuw to Inowroclaw | 613.64 mi (987.55 km) |
| Sint-Pieters-Leeuw to Janow Lubelski | 792.18 mi (1,274.89 km) |
| Sint-Pieters-Leeuw to Jarocin | 576.46 mi (927.72 km) |
| Sint-Pieters-Leeuw to Jaroslaw | 811.26 mi (1,305.60 km) |
| Sint-Pieters-Leeuw to Jasien | 647.89 mi (1,042.68 km) |
| Sint-Pieters-Leeuw to Jaslo | 762.22 mi (1,226.68 km) |
| Sint-Pieters-Leeuw to Jastrzebie-Zdroj | 633.32 mi (1,019.23 km) |
| Sint-Pieters-Leeuw to Jawor | 520.30 mi (837.33 km) |
| Sint-Pieters-Leeuw to Jaworzno | 660.27 mi (1,062.59 km) |
| Sint-Pieters-Leeuw to Jedrzejow | 700.96 mi (1,128.08 km) |
| Sint-Pieters-Leeuw to Jelcz-Laskowice | 569.52 mi (916.56 km) |
| Sint-Pieters-Leeuw to Jelenia Gora | 500.61 mi (805.65 km) |
| Sint-Pieters-Leeuw to Jozefoslaw | 727.39 mi (1,170.63 km) |
| Sint-Pieters-Leeuw to Jozefow | 735.35 mi (1,183.43 km) |
