| Oud-Heverlee to Imielin | 640.46 mi (1,030.72 km) |
| Oud-Heverlee to Inowroclaw | 595.29 mi (958.02 km) |
| Oud-Heverlee to Janow Lubelski | 773.71 mi (1,245.17 km) |
| Oud-Heverlee to Jarocin | 557.95 mi (897.94 km) |
| Oud-Heverlee to Jaroslaw | 792.91 mi (1,276.06 km) |
| Oud-Heverlee to Jasien | 630.19 mi (1,014.20 km) |
| Oud-Heverlee to Jaslo | 743.97 mi (1,197.30 km) |
| Oud-Heverlee to Jastrzebie-Zdroj | 615.13 mi (989.95 km) |
| Oud-Heverlee to Jawor | 501.83 mi (807.62 km) |
| Oud-Heverlee to Jaworzno | 641.96 mi (1,033.13 km) |
| Oud-Heverlee to Jedrzejow | 682.53 mi (1,098.42 km) |
| Oud-Heverlee to Jelcz-Laskowice | 551.05 mi (886.83 km) |
| Oud-Heverlee to Jelenia Gora | 482.18 mi (775.99 km) |
| Oud-Heverlee to Jozefoslaw | 708.90 mi (1,140.86 km) |
| Oud-Heverlee to Jozefow | 716.85 mi (1,153.67 km) |
