| Wattwil to Caño Martin Peña (Puerto Rico) | 4,600.46 mi (7,403.73 km) |
| Wattwil to Cañon City (Colorado) | 5,265.99 mi (8,474.79 km) |
| Wattwil to Canóvanas (Puerto Rico) | 4,596.42 mi (7,397.23 km) |
| Wattwil to Canton (Georgia) | 4,681.22 mi (7,533.69 km) |
| Wattwil to Canton (Illinois) | 4,605.82 mi (7,412.36 km) |
| Wattwil to Canton (Mississippi) | 4,989.83 mi (8,030.36 km) |
| Wattwil to Canton (Ohio) | 4,253.49 mi (6,845.34 km) |
| Wattwil to Canyon (Texas) | 5,331.07 mi (8,579.52 km) |
| Wattwil to Canyon Lake (California) | 5,928.48 mi (9,540.96 km) |
| Wattwil to Canyon Lake (Texas) | 5,458.64 mi (8,784.84 km) |
| Wattwil to Cape Coral (Florida) | 4,936.69 mi (7,944.84 km) |
| Wattwil to Cape Girardeau (Missouri) | 4,741.96 mi (7,631.44 km) |
| Wattwil to Carbondale (Illinois) | 4,709.00 mi (7,578.40 km) |
| Wattwil to Carlisle (Pennsylvania) | 4,109.50 mi (6,613.61 km) |
| Wattwil to Carlsbad (California) | 5,961.75 mi (9,594.51 km) |
