| Sankt Gallen to Castelfidardo | 340.22 mi (547.54 km) |
| Sankt Gallen to Castelfiorentino | 275.28 mi (443.01 km) |
| Sankt Gallen to Castelfranco di Sopra | 283.11 mi (455.62 km) |
| Sankt Gallen to Castelfranco di Sotto | 265.81 mi (427.79 km) |
| Sankt Gallen to Castelfranco Emilia | 211.36 mi (340.16 km) |
| Sankt Gallen to Castelfranco Veneto | 171.95 mi (276.73 km) |
| Sankt Gallen to Castellabate | 566.29 mi (911.35 km) |
| Sankt Gallen to Castellammare del Golfo | 673.13 mi (1,083.29 km) |
| Sankt Gallen to Castellammare di Stabia | 529.39 mi (851.96 km) |
| Sankt Gallen to Castellamonte | 161.72 mi (260.26 km) |
| Sankt Gallen to Castellana Grotte | 594.02 mi (955.99 km) |
| Sankt Gallen to Castellaneta | 600.47 mi (966.37 km) |
| Sankt Gallen to Castellanza | 126.88 mi (204.19 km) |
| Sankt Gallen to Castellarano | 208.74 mi (335.94 km) |
| Sankt Gallen to Castelleone | 148.23 mi (238.55 km) |
