| Sankt Gallen to Cortona | 313.50 mi (504.53 km) |
| Sankt Gallen to Cosenza | 658.56 mi (1,059.85 km) |
| Sankt Gallen to Cossato | 140.54 mi (226.17 km) |
| Sankt Gallen to Costa Volpino | 115.40 mi (185.72 km) |
| Sankt Gallen to Creazzo | 164.82 mi (265.26 km) |
| Sankt Gallen to Crema | 142.94 mi (230.03 km) |
| Sankt Gallen to Cremona | 161.41 mi (259.77 km) |
| Sankt Gallen to Crevalcore | 205.58 mi (330.85 km) |
| Sankt Gallen to Crispiano | 611.69 mi (984.42 km) |
| Sankt Gallen to Crosia | 656.71 mi (1,056.88 km) |
| Sankt Gallen to Crotone | 694.96 mi (1,118.43 km) |
| Sankt Gallen to Cuneo | 227.60 mi (366.28 km) |
| Sankt Gallen to Cuorgne | 162.72 mi (261.88 km) |
| Sankt Gallen to Cusano Milanino | 129.80 mi (208.90 km) |
| Sankt Gallen to Cutro | 694.22 mi (1,117.23 km) |
