| Solothurn to Cassina de' Pecchi | 146.41 mi (235.62 km) |
| Solothurn to Cassino | 502.51 mi (808.71 km) |
| Solothurn to Castagneto Carducci | 317.11 mi (510.35 km) |
| Solothurn to Castano Primo | 129.29 mi (208.07 km) |
| Solothurn to Castel Bolognese | 287.04 mi (461.95 km) |
| Solothurn to Castel Gandolfo | 454.19 mi (730.95 km) |
| Solothurn to Castel Goffredo | 193.16 mi (310.87 km) |
| Solothurn to Castel Maggiore | 259.76 mi (418.05 km) |
| Solothurn to Castel Mella | 172.14 mi (277.03 km) |
| Solothurn to Castel San Giorgio | 569.10 mi (915.88 km) |
| Solothurn to Castel San Giovanni | 175.17 mi (281.90 km) |
| Solothurn to Castel San Pietro Terme | 275.47 mi (443.32 km) |
| Solothurn to Castel Volturno | 530.40 mi (853.60 km) |
| Solothurn to Castelbuono | 722.59 mi (1,162.89 km) |
| Solothurn to Casteldaccia | 702.44 mi (1,130.47 km) |
