| Sierre to Cicero (Illinois) | 4,437.58 mi (7,141.59 km) |
| Sierre to Cimarron Hills (Colorado) | 5,217.91 mi (8,397.42 km) |
| Sierre to Cincinnati (Ohio) | 4,426.71 mi (7,124.11 km) |
| Sierre to Cinco Ranch (Texas) | 5,337.49 mi (8,589.85 km) |
| Sierre to Circleville (Ohio) | 4,341.44 mi (6,986.88 km) |
| Sierre to Citrus (California) | 5,925.31 mi (9,535.86 km) |
| Sierre to Citrus Heights (California) | 5,766.35 mi (9,280.04 km) |
| Sierre to Citrus Park (Florida) | 4,848.39 mi (7,802.73 km) |
| Sierre to Claiborne (Louisiana) | 5,051.95 mi (8,130.34 km) |
| Sierre to Claremont (California) | 5,919.12 mi (9,525.91 km) |
| Sierre to Claremont (New Hampshire) | 3,745.30 mi (6,027.47 km) |
| Sierre to Claremore (Oklahoma) | 5,005.66 mi (8,055.84 km) |
| Sierre to Clarksburg (Maryland) | 4,119.53 mi (6,629.74 km) |
| Sierre to Clarksburg (West Virginia) | 4,246.44 mi (6,833.99 km) |
| Sierre to Clarksdale (Mississippi) | 4,904.85 mi (7,893.60 km) |
