| Roskilde to Imielin | 482.92 mi (777.19 km) |
| Roskilde to Inowroclaw | 317.99 mi (511.75 km) |
| Roskilde to Janow Lubelski | 546.08 mi (878.83 km) |
| Roskilde to Jarocin | 336.85 mi (542.11 km) |
| Roskilde to Jaroslaw | 587.95 mi (946.22 km) |
| Roskilde to Jasien | 272.07 mi (437.86 km) |
| Roskilde to Jaslo | 565.47 mi (910.04 km) |
| Roskilde to Jastrzebie-Zdroj | 477.92 mi (769.13 km) |
| Roskilde to Jawor | 360.19 mi (579.67 km) |
| Roskilde to Jaworzno | 480.28 mi (772.94 km) |
| Roskilde to Jedrzejow | 485.30 mi (781.02 km) |
| Roskilde to Jelcz-Laskowice | 385.32 mi (620.11 km) |
| Roskilde to Jelenia Gora | 360.87 mi (580.76 km) |
| Roskilde to Jozefoslaw | 439.30 mi (706.98 km) |
| Roskilde to Jozefow | 444.26 mi (714.96 km) |
