| Hardenberg to Imielin | 568.27 mi (914.54 km) |
| Hardenberg to Inowroclaw | 487.49 mi (784.54 km) |
| Hardenberg to Janow Lubelski | 687.95 mi (1,107.15 km) |
| Hardenberg to Jarocin | 461.61 mi (742.89 km) |
| Hardenberg to Jaroslaw | 714.36 mi (1,149.65 km) |
| Hardenberg to Jasien | 505.75 mi (813.93 km) |
| Hardenberg to Jaslo | 671.14 mi (1,080.09 km) |
| Hardenberg to Jastrzebie-Zdroj | 547.32 mi (880.83 km) |
| Hardenberg to Jawor | 422.24 mi (679.54 km) |
| Hardenberg to Jaworzno | 568.63 mi (915.13 km) |
| Hardenberg to Jedrzejow | 601.26 mi (967.63 km) |
| Hardenberg to Jelcz-Laskowice | 469.51 mi (755.61 km) |
| Hardenberg to Jelenia Gora | 406.40 mi (654.03 km) |
| Hardenberg to Jozefoslaw | 609.05 mi (980.18 km) |
| Hardenberg to Jozefow | 616.56 mi (992.25 km) |
