| Sankt Gallen to Castle Rock (Colorado) | 5,207.53 mi (8,380.71 km) |
| Sankt Gallen to Castro Valley (California) | 5,836.95 mi (9,393.67 km) |
| Sankt Gallen to Catalina Foothills (Arizona) | 5,800.30 mi (9,334.68 km) |
| Sankt Gallen to Cataño (Puerto Rico) | 4,617.60 mi (7,431.31 km) |
| Sankt Gallen to Cathedral City (California) | 5,897.30 mi (9,490.79 km) |
| Sankt Gallen to Catonsville (Maryland) | 4,138.44 mi (6,660.17 km) |
| Sankt Gallen to Cave Spring (Virginia) | 4,364.71 mi (7,024.33 km) |
| Sankt Gallen to Cayce (South Carolina) | 4,558.36 mi (7,335.98 km) |
| Sankt Gallen to Cayey (Puerto Rico) | 4,634.14 mi (7,457.92 km) |
| Sankt Gallen to Cedar City (Utah) | 5,571.33 mi (8,966.19 km) |
| Sankt Gallen to Cedar Falls (Iowa) | 4,608.74 mi (7,417.05 km) |
| Sankt Gallen to Cedar Hill (Texas) | 5,274.24 mi (8,488.07 km) |
| Sankt Gallen to Cedar Lake (Indiana) | 4,474.17 mi (7,200.48 km) |
| Sankt Gallen to Cedar Mill (Oregon) | 5,391.41 mi (8,676.64 km) |
| Sankt Gallen to Cedar Park (Texas) | 5,414.86 mi (8,714.37 km) |
