| Sankt Gallen to Cookeville (Tennessee) | 4,641.49 mi (7,469.76 km) |
| Sankt Gallen to Coolidge (Arizona) | 5,786.80 mi (9,312.96 km) |
| Sankt Gallen to Coon Rapids (Minnesota) | 4,512.95 mi (7,262.89 km) |
| Sankt Gallen to Cooper City (Florida) | 4,899.70 mi (7,885.31 km) |
| Sankt Gallen to Coos Bay (Oregon) | 5,555.69 mi (8,941.03 km) |
| Sankt Gallen to Copiague (New York) | 3,938.73 mi (6,338.77 km) |
| Sankt Gallen to Coppell (Texas) | 5,255.78 mi (8,458.36 km) |
| Sankt Gallen to Copperas Cove (Texas) | 5,386.96 mi (8,669.48 km) |
| Sankt Gallen to Coral Gables (Florida) | 4,915.59 mi (7,910.87 km) |
| Sankt Gallen to Coral Springs (Florida) | 4,887.70 mi (7,866.00 km) |
| Sankt Gallen to Coral Terrace (Florida) | 4,915.01 mi (7,909.94 km) |
| Sankt Gallen to Coralville (Iowa) | 4,616.27 mi (7,429.17 km) |
| Sankt Gallen to Coram (New York) | 3,913.83 mi (6,298.70 km) |
| Sankt Gallen to Corcoran (California) | 5,861.15 mi (9,432.61 km) |
| Sankt Gallen to Cordele (Georgia) | 4,767.72 mi (7,672.90 km) |
