| Solothurn to Illzach | 40.02 mi (64.40 km) |
| Solothurn to Ingre | 270.49 mi (435.30 km) |
| Solothurn to Irigny | 167.41 mi (269.41 km) |
| Solothurn to Isbergues | 329.28 mi (529.93 km) |
| Solothurn to Issoire | 234.60 mi (377.55 km) |
| Solothurn to Issoudun | 261.25 mi (420.45 km) |
| Solothurn to Issy-les-Moulineaux | 267.31 mi (430.20 km) |
| Solothurn to Istres | 283.97 mi (457.00 km) |
| Solothurn to Ivry-sur-Seine | 262.49 mi (422.43 km) |
| Solothurn to Jarville-la-Malgrange | 117.67 mi (189.38 km) |
| Solothurn to Jeumont | 263.87 mi (424.65 km) |
| Solothurn to Joigny | 199.80 mi (321.55 km) |
| Solothurn to Joinville-le-Pont | 258.75 mi (416.42 km) |
| Solothurn to Joue-les-Tours | 322.07 mi (518.32 km) |
| Solothurn to Jouy-le-Moutier | 282.07 mi (453.94 km) |
