| Sankt Gallen to Collegno | 183.49 mi (295.30 km) |
| Sankt Gallen to Cologno al Serio | 128.15 mi (206.24 km) |
| Sankt Gallen to Cologno Monzese | 131.05 mi (210.90 km) |
| Sankt Gallen to Colorno | 178.79 mi (287.73 km) |
| Sankt Gallen to Comacchio | 231.50 mi (372.57 km) |
| Sankt Gallen to Comiso | 771.16 mi (1,241.06 km) |
| Sankt Gallen to Como | 112.33 mi (180.77 km) |
| Sankt Gallen to Concordia Sagittaria | 200.97 mi (323.43 km) |
| Sankt Gallen to Concorezzo | 126.76 mi (204.00 km) |
| Sankt Gallen to Conegliano | 174.76 mi (281.24 km) |
| Sankt Gallen to Conselice | 233.08 mi (375.11 km) |
| Sankt Gallen to Conselve | 192.58 mi (309.92 km) |
| Sankt Gallen to Conversano | 587.87 mi (946.09 km) |
| Sankt Gallen to Copertino | 656.14 mi (1,055.96 km) |
| Sankt Gallen to Copparo | 210.46 mi (338.70 km) |
