| Solothurn to Ilawa | 687.65 mi (1,106.67 km) |
| Solothurn to Imielin | 569.12 mi (915.90 km) |
| Solothurn to Inowroclaw | 611.61 mi (984.30 km) |
| Solothurn to Janow Lubelski | 715.60 mi (1,151.65 km) |
| Solothurn to Jarocin | 553.26 mi (890.39 km) |
| Solothurn to Jaroslaw | 716.99 mi (1,153.88 km) |
| Solothurn to Jasien | 687.19 mi (1,105.93 km) |
| Solothurn to Jaslo | 660.77 mi (1,063.41 km) |
| Solothurn to Jastrzebie-Zdroj | 538.59 mi (866.77 km) |
| Solothurn to Jawor | 472.44 mi (760.33 km) |
| Solothurn to Jaworzno | 572.77 mi (921.78 km) |
| Solothurn to Jedrzejow | 624.78 mi (1,005.49 km) |
| Solothurn to Jelcz-Laskowice | 515.02 mi (828.85 km) |
| Solothurn to Jelenia Gora | 449.86 mi (723.98 km) |
| Solothurn to Jozefoslaw | 690.67 mi (1,111.53 km) |
