| Sierning to Cookeville (Tennessee) | 4,817.27 mi (7,752.64 km) |
| Sierning to Coolidge (Arizona) | 5,917.89 mi (9,523.93 km) |
| Sierning to Coon Rapids (Minnesota) | 4,654.70 mi (7,491.02 km) |
| Sierning to Cooper City (Florida) | 5,101.48 mi (8,210.04 km) |
| Sierning to Coos Bay (Oregon) | 5,635.98 mi (9,070.24 km) |
| Sierning to Copiague (New York) | 4,122.77 mi (6,634.96 km) |
| Sierning to Coppell (Texas) | 5,417.72 mi (8,718.98 km) |
| Sierning to Copperas Cove (Texas) | 5,550.70 mi (8,932.98 km) |
| Sierning to Coral Gables (Florida) | 5,117.90 mi (8,236.47 km) |
| Sierning to Coral Springs (Florida) | 5,089.18 mi (8,190.24 km) |
| Sierning to Coral Terrace (Florida) | 5,117.22 mi (8,235.36 km) |
| Sierning to Coralville (Iowa) | 4,769.46 mi (7,675.71 km) |
| Sierning to Coram (New York) | 4,097.91 mi (6,594.95 km) |
| Sierning to Corcoran (California) | 5,966.63 mi (9,602.36 km) |
| Sierning to Cordele (Georgia) | 4,954.46 mi (7,973.43 km) |
