| Boppard to Imielin | 513.90 mi (827.03 km) |
| Boppard to Inowroclaw | 491.19 mi (790.50 km) |
| Boppard to Janow Lubelski | 651.71 mi (1,048.82 km) |
| Boppard to Jarocin | 445.95 mi (717.69 km) |
| Boppard to Jaroslaw | 667.41 mi (1,074.09 km) |
| Boppard to Jasien | 542.74 mi (873.45 km) |
| Boppard to Jaslo | 616.61 mi (992.34 km) |
| Boppard to Jastrzebie-Zdroj | 487.23 mi (784.11 km) |
| Boppard to Jawor | 381.22 mi (613.52 km) |
| Boppard to Jaworzno | 515.82 mi (830.13 km) |
| Boppard to Jedrzejow | 559.35 mi (900.19 km) |
| Boppard to Jelcz-Laskowice | 430.23 mi (692.38 km) |
| Boppard to Jelenia Gora | 360.20 mi (579.69 km) |
| Boppard to Jozefoslaw | 596.17 mi (959.44 km) |
| Boppard to Jozefow | 604.32 mi (972.57 km) |
