| Sierre to Carson (California) | 5,953.05 mi (9,580.50 km) |
| Sierre to Carson City (Nevada) | 5,694.59 mi (9,164.55 km) |
| Sierre to Carteret (New Jersey) | 3,934.13 mi (6,331.37 km) |
| Sierre to Cartersville (Georgia) | 4,663.67 mi (7,505.45 km) |
| Sierre to Carthage (Missouri) | 4,914.40 mi (7,908.97 km) |
| Sierre to Cary (Illinois) | 4,440.34 mi (7,146.04 km) |
| Sierre to Cary (North Carolina) | 4,333.38 mi (6,973.90 km) |
| Sierre to Casa de Oro-Mount Helix (California) | 5,972.11 mi (9,611.18 km) |
| Sierre to Casa Grande (Arizona) | 5,786.23 mi (9,312.04 km) |
| Sierre to Casas Adobes (Arizona) | 5,790.61 mi (9,319.08 km) |
| Sierre to Cascades (Virginia) | 4,132.16 mi (6,650.07 km) |
| Sierre to Casper (Wyoming) | 5,067.11 mi (8,154.73 km) |
| Sierre to Casselberry (Florida) | 4,765.25 mi (7,668.93 km) |
| Sierre to Castaic (California) | 5,928.21 mi (9,540.54 km) |
| Sierre to Castle Pines (Colorado) | 5,192.70 mi (8,356.85 km) |
