| Sierre to Cookeville (Tennessee) | 4,602.97 mi (7,407.76 km) |
| Sierre to Coolidge (Arizona) | 5,776.28 mi (9,296.02 km) |
| Sierre to Coon Rapids (Minnesota) | 4,497.42 mi (7,237.90 km) |
| Sierre to Cooper City (Florida) | 4,840.53 mi (7,790.09 km) |
| Sierre to Coos Bay (Oregon) | 5,573.97 mi (8,970.44 km) |
| Sierre to Copiague (New York) | 3,894.86 mi (6,268.18 km) |
| Sierre to Coppell (Texas) | 5,226.24 mi (8,410.82 km) |
| Sierre to Copperas Cove (Texas) | 5,356.08 mi (8,619.77 km) |
| Sierre to Coral Gables (Florida) | 4,855.94 mi (7,814.88 km) |
| Sierre to Coral Springs (Florida) | 4,828.81 mi (7,771.21 km) |
| Sierre to Coral Terrace (Florida) | 4,855.46 mi (7,814.11 km) |
| Sierre to Coralville (Iowa) | 4,593.28 mi (7,392.18 km) |
| Sierre to Coram (New York) | 3,869.97 mi (6,228.11 km) |
| Sierre to Corcoran (California) | 5,865.38 mi (9,439.42 km) |
| Sierre to Cordele (Georgia) | 4,720.89 mi (7,597.54 km) |
