| Sigmaringen to Cookeville (Tennessee) | 4,613.01 mi (7,423.92 km) |
| Sigmaringen to Coolidge (Arizona) | 5,750.09 mi (9,253.88 km) |
| Sigmaringen to Coon Rapids (Minnesota) | 4,477.69 mi (7,206.14 km) |
| Sigmaringen to Cooper City (Florida) | 4,878.80 mi (7,851.67 km) |
| Sigmaringen to Coos Bay (Oregon) | 5,513.18 mi (8,872.61 km) |
| Sigmaringen to Copiague (New York) | 3,912.23 mi (6,296.12 km) |
| Sigmaringen to Coppell (Texas) | 5,224.33 mi (8,407.75 km) |
| Sigmaringen to Copperas Cove (Texas) | 5,355.90 mi (8,619.49 km) |
| Sigmaringen to Coral Gables (Florida) | 4,894.88 mi (7,877.55 km) |
| Sigmaringen to Coral Springs (Florida) | 4,866.69 mi (7,832.19 km) |
| Sigmaringen to Coral Terrace (Florida) | 4,894.26 mi (7,876.56 km) |
| Sigmaringen to Coralville (Iowa) | 4,583.02 mi (7,375.66 km) |
| Sigmaringen to Coram (New York) | 3,887.34 mi (6,256.06 km) |
| Sigmaringen to Corcoran (California) | 5,821.15 mi (9,368.23 km) |
| Sigmaringen to Cordele (Georgia) | 4,742.09 mi (7,631.65 km) |
