| Solothurn to Cortona | 347.89 mi (559.87 km) |
| Solothurn to Cosenza | 700.20 mi (1,126.87 km) |
| Solothurn to Cossato | 117.93 mi (189.79 km) |
| Solothurn to Costa Volpino | 155.07 mi (249.56 km) |
| Solothurn to Creazzo | 221.28 mi (356.12 km) |
| Solothurn to Crema | 163.92 mi (263.81 km) |
| Solothurn to Cremona | 187.14 mi (301.17 km) |
| Solothurn to Crevalcore | 244.91 mi (394.14 km) |
| Solothurn to Crispiano | 664.00 mi (1,068.61 km) |
| Solothurn to Crosia | 702.07 mi (1,129.87 km) |
| Solothurn to Crotone | 739.92 mi (1,190.79 km) |
| Solothurn to Cuneo | 195.77 mi (315.06 km) |
| Solothurn to Cuorgne | 126.36 mi (203.35 km) |
| Solothurn to Cusano Milanino | 139.44 mi (224.41 km) |
| Solothurn to Cutro | 738.35 mi (1,188.26 km) |
