| Sigmaringen to Caguas (Puerto Rico) | 4,613.88 mi (7,425.33 km) |
| Sigmaringen to Cahokia (Illinois) | 4,681.11 mi (7,533.52 km) |
| Sigmaringen to Calabasas (California) | 5,908.99 mi (9,509.60 km) |
| Sigmaringen to Caldwell (Idaho) | 5,298.31 mi (8,526.80 km) |
| Sigmaringen to Caledonia (Wisconsin) | 4,392.38 mi (7,068.85 km) |
| Sigmaringen to Calera (Alabama) | 4,808.94 mi (7,739.25 km) |
| Sigmaringen to Calexico (California) | 5,894.58 mi (9,486.41 km) |
| Sigmaringen to Calhoun (Georgia) | 4,668.84 mi (7,513.77 km) |
| Sigmaringen to California (Maryland) | 4,143.83 mi (6,668.86 km) |
| Sigmaringen to California City (California) | 5,825.21 mi (9,374.76 km) |
| Sigmaringen to Callaway (Florida) | 4,905.82 mi (7,895.16 km) |
| Sigmaringen to Calumet City (Illinois) | 4,435.28 mi (7,137.89 km) |
| Sigmaringen to Calverton (Maryland) | 4,129.18 mi (6,645.27 km) |
| Sigmaringen to Camano (Washington) | 5,183.56 mi (8,342.13 km) |
| Sigmaringen to Camarillo (California) | 5,914.92 mi (9,519.15 km) |
