| Sankt Gallen to Cividale del Friuli | 212.90 mi (342.64 km) |
| Sankt Gallen to Civita Castellana | 384.23 mi (618.36 km) |
| Sankt Gallen to Civitanova Marche | 354.91 mi (571.17 km) |
| Sankt Gallen to Civitavecchia | 386.64 mi (622.23 km) |
| Sankt Gallen to Civitella in Val di Chiana | 299.32 mi (481.70 km) |
| Sankt Gallen to Clusone | 109.95 mi (176.95 km) |
| Sankt Gallen to Coccaglio | 131.78 mi (212.08 km) |
| Sankt Gallen to Codigoro | 222.08 mi (357.41 km) |
| Sankt Gallen to Codogno | 157.25 mi (253.07 km) |
| Sankt Gallen to Codroipo | 198.57 mi (319.57 km) |
| Sankt Gallen to Cogoleto | 212.56 mi (342.08 km) |
| Sankt Gallen to Colle di Val d'Elsa | 290.87 mi (468.11 km) |
| Sankt Gallen to Colle Salvetti | 269.65 mi (433.96 km) |
| Sankt Gallen to Collecchio | 189.16 mi (304.42 km) |
| Sankt Gallen to Colleferro | 432.08 mi (695.37 km) |
