| Sankt Gallen to Corinth (Mississippi) | 4,820.85 mi (7,758.41 km) |
| Sankt Gallen to Corinth (Texas) | 5,249.57 mi (8,448.37 km) |
| Sankt Gallen to Cornelius (North Carolina) | 4,481.06 mi (7,211.57 km) |
| Sankt Gallen to Cornelius (Oregon) | 5,398.60 mi (8,688.21 km) |
| Sankt Gallen to Corning (New York) | 4,028.47 mi (6,483.19 km) |
| Sankt Gallen to Corona (California) | 5,930.33 mi (9,543.95 km) |
| Sankt Gallen to Coronado (California) | 5,987.05 mi (9,635.22 km) |
| Sankt Gallen to Corpus Christi (Texas) | 5,542.05 mi (8,919.07 km) |
| Sankt Gallen to Corsicana (Texas) | 5,280.61 mi (8,498.33 km) |
| Sankt Gallen to Cortland (New York) | 3,973.84 mi (6,395.28 km) |
| Sankt Gallen to Corvallis (Oregon) | 5,460.69 mi (8,788.13 km) |
| Sankt Gallen to Coshocton (Ohio) | 4,304.13 mi (6,926.82 km) |
| Sankt Gallen to Costa Mesa (California) | 5,952.49 mi (9,579.61 km) |
| Sankt Gallen to Coto de Caza (California) | 5,946.42 mi (9,569.83 km) |
| Sankt Gallen to Cottage Grove (Minnesota) | 4,516.44 mi (7,268.50 km) |
