| Sigmaringen to Cloverly (Maryland) | 4,129.14 mi (6,645.21 km) |
| Sigmaringen to Clovis (California) | 5,780.90 mi (9,303.45 km) |
| Sigmaringen to Clovis (New Mexico) | 5,377.56 mi (8,654.35 km) |
| Sigmaringen to Clute (Texas) | 5,365.87 mi (8,635.53 km) |
| Sigmaringen to Coachella (California) | 5,857.10 mi (9,426.09 km) |
| Sigmaringen to Coalinga (California) | 5,839.90 mi (9,398.40 km) |
| Sigmaringen to Coamo (Puerto Rico) | 4,636.52 mi (7,461.75 km) |
| Sigmaringen to Coatesville (Pennsylvania) | 4,042.09 mi (6,505.12 km) |
| Sigmaringen to Cockeysville (Maryland) | 4,097.45 mi (6,594.21 km) |
| Sigmaringen to Cocoa (Florida) | 4,786.37 mi (7,702.92 km) |
| Sigmaringen to Cocoa Beach (Florida) | 4,782.67 mi (7,696.97 km) |
| Sigmaringen to Coconut Creek (Florida) | 4,862.91 mi (7,826.10 km) |
| Sigmaringen to Coeur d'Alene (Idaho) | 5,069.59 mi (8,158.71 km) |
| Sigmaringen to Cohoes (New York) | 3,837.79 mi (6,176.33 km) |
| Sigmaringen to Cold Springs (Nevada) | 5,620.58 mi (9,045.45 km) |
