| Sigmaringen to Castle Rock (Colorado) | 5,171.00 mi (8,321.92 km) |
| Sigmaringen to Castro Valley (California) | 5,795.95 mi (9,327.67 km) |
| Sigmaringen to Catalina Foothills (Arizona) | 5,764.00 mi (9,276.25 km) |
| Sigmaringen to Cataño (Puerto Rico) | 4,608.64 mi (7,416.89 km) |
| Sigmaringen to Cathedral City (California) | 5,858.74 mi (9,428.73 km) |
| Sigmaringen to Catonsville (Maryland) | 4,111.56 mi (6,616.92 km) |
| Sigmaringen to Cave Spring (Virginia) | 4,337.77 mi (6,980.97 km) |
| Sigmaringen to Cayce (South Carolina) | 4,532.82 mi (7,294.86 km) |
| Sigmaringen to Cayey (Puerto Rico) | 4,625.36 mi (7,443.80 km) |
| Sigmaringen to Cedar City (Utah) | 5,532.81 mi (8,904.20 km) |
| Sigmaringen to Cedar Falls (Iowa) | 4,574.86 mi (7,362.52 km) |
| Sigmaringen to Cedar Hill (Texas) | 5,242.96 mi (8,437.73 km) |
| Sigmaringen to Cedar Lake (Indiana) | 4,442.42 mi (7,149.38 km) |
| Sigmaringen to Cedar Mill (Oregon) | 5,348.84 mi (8,608.12 km) |
| Sigmaringen to Cedar Park (Texas) | 5,384.08 mi (8,664.84 km) |
