| Solothurn to Imola | 282.30 mi (454.32 km) |
| Solothurn to Impruneta | 303.33 mi (488.16 km) |
| Solothurn to Induno Olona | 112.85 mi (181.61 km) |
| Solothurn to Inverigo | 130.07 mi (209.33 km) |
| Solothurn to Inveruno | 133.18 mi (214.33 km) |
| Solothurn to Inzago | 148.88 mi (239.60 km) |
| Solothurn to Iseo | 161.20 mi (259.43 km) |
| Solothurn to Isernia | 509.53 mi (820.00 km) |
| Solothurn to Isola Capo Rizzuto | 746.08 mi (1,200.70 km) |
| Solothurn to Isola del Liri | 484.57 mi (779.84 km) |
| Solothurn to Isola della Scala | 213.78 mi (344.05 km) |
| Solothurn to Isola Vicentina | 216.21 mi (347.96 km) |
| Solothurn to Ispica | 813.20 mi (1,308.72 km) |
| Solothurn to Istrana | 241.79 mi (389.12 km) |
| Solothurn to Itri | 505.87 mi (814.12 km) |
