| Solothurn to Collegno | 147.82 mi (237.89 km) |
| Solothurn to Cologno al Serio | 152.94 mi (246.14 km) |
| Solothurn to Cologno Monzese | 143.25 mi (230.55 km) |
| Solothurn to Colorno | 208.66 mi (335.80 km) |
| Solothurn to Comacchio | 282.97 mi (455.40 km) |
| Solothurn to Comiso | 795.75 mi (1,280.64 km) |
| Solothurn to Como | 122.04 mi (196.40 km) |
| Solothurn to Concordia Sagittaria | 271.95 mi (437.67 km) |
| Solothurn to Concorezzo | 141.46 mi (227.66 km) |
| Solothurn to Conegliano | 244.25 mi (393.09 km) |
| Solothurn to Conselice | 278.49 mi (448.19 km) |
| Solothurn to Conselve | 248.31 mi (399.62 km) |
| Solothurn to Conversano | 641.51 mi (1,032.41 km) |
| Solothurn to Copertino | 710.31 mi (1,143.14 km) |
| Solothurn to Copparo | 260.94 mi (419.95 km) |
