| Sigmaringen to Carson (California) | 5,914.02 mi (9,517.70 km) |
| Sigmaringen to Carson City (Nevada) | 5,646.01 mi (9,086.38 km) |
| Sigmaringen to Carteret (New Jersey) | 3,950.56 mi (6,357.81 km) |
| Sigmaringen to Cartersville (Georgia) | 4,678.83 mi (7,529.85 km) |
| Sigmaringen to Carthage (Missouri) | 4,909.03 mi (7,900.31 km) |
| Sigmaringen to Cary (Illinois) | 4,433.71 mi (7,135.37 km) |
| Sigmaringen to Cary (North Carolina) | 4,354.25 mi (7,007.48 km) |
| Sigmaringen to Casa de Oro-Mount Helix (California) | 5,936.78 mi (9,554.32 km) |
| Sigmaringen to Casa Grande (Arizona) | 5,759.69 mi (9,269.32 km) |
| Sigmaringen to Casas Adobes (Arizona) | 5,766.20 mi (9,279.81 km) |
| Sigmaringen to Cascades (Virginia) | 4,147.82 mi (6,675.27 km) |
| Sigmaringen to Casper (Wyoming) | 5,033.51 mi (8,100.66 km) |
| Sigmaringen to Casselberry (Florida) | 4,796.82 mi (7,719.74 km) |
| Sigmaringen to Castaic (California) | 5,887.68 mi (9,475.30 km) |
| Sigmaringen to Castle Pines (Colorado) | 5,166.96 mi (8,315.42 km) |
