| Naples to Imielin | 685.74 mi (1,103.59 km) |
| Naples to Inowroclaw | 847.48 mi (1,363.90 km) |
| Naples to Janow Lubelski | 787.07 mi (1,266.66 km) |
| Naples to Jarocin | 784.47 mi (1,262.48 km) |
| Naples to Jaroslaw | 753.82 mi (1,213.16 km) |
| Naples to Jasien | 954.13 mi (1,535.52 km) |
| Naples to Jaslo | 708.16 mi (1,139.68 km) |
| Naples to Jastrzebie-Zdroj | 663.77 mi (1,068.24 km) |
| Naples to Jawor | 712.03 mi (1,145.90 km) |
| Naples to Jaworzno | 691.18 mi (1,112.35 km) |
| Naples to Jedrzejow | 736.69 mi (1,185.59 km) |
| Naples to Jelcz-Laskowice | 719.99 mi (1,158.71 km) |
| Naples to Jelenia Gora | 699.39 mi (1,125.55 km) |
| Naples to Jozefoslaw | 842.10 mi (1,355.22 km) |
| Naples to Jozefow | 847.54 mi (1,363.99 km) |
