| Sankt Gallen to Carson (California) | 5,953.14 mi (9,580.65 km) |
| Sankt Gallen to Carson City (Nevada) | 5,686.71 mi (9,151.87 km) |
| Sankt Gallen to Carteret (New Jersey) | 3,977.31 mi (6,400.86 km) |
| Sankt Gallen to Cartersville (Georgia) | 4,706.03 mi (7,573.62 km) |
| Sankt Gallen to Carthage (Missouri) | 4,941.23 mi (7,952.14 km) |
| Sankt Gallen to Cary (Illinois) | 4,466.13 mi (7,187.55 km) |
| Sankt Gallen to Cary (North Carolina) | 4,379.90 mi (7,048.77 km) |
| Sankt Gallen to Casa de Oro-Mount Helix (California) | 5,975.23 mi (9,616.21 km) |
| Sankt Gallen to Casa Grande (Arizona) | 5,796.47 mi (9,328.52 km) |
| Sankt Gallen to Casas Adobes (Arizona) | 5,802.56 mi (9,338.32 km) |
| Sankt Gallen to Cascades (Virginia) | 4,174.80 mi (6,718.69 km) |
| Sankt Gallen to Casper (Wyoming) | 5,071.56 mi (8,161.89 km) |
| Sankt Gallen to Casselberry (Florida) | 4,819.63 mi (7,756.44 km) |
| Sankt Gallen to Castaic (California) | 5,927.05 mi (9,538.67 km) |
| Sankt Gallen to Castle Pines (Colorado) | 5,203.52 mi (8,374.26 km) |
