| Sem to Cookeville (Tennessee) | 4,303.21 mi (6,925.35 km) |
| Sem to Coolidge (Arizona) | 5,254.29 mi (8,455.97 km) |
| Sem to Coon Rapids (Minnesota) | 4,031.13 mi (6,487.48 km) |
| Sem to Cooper City (Florida) | 4,707.08 mi (7,575.32 km) |
| Sem to Coos Bay (Oregon) | 4,887.45 mi (7,865.59 km) |
| Sem to Copiague (New York) | 3,657.86 mi (5,886.76 km) |
| Sem to Coppell (Texas) | 4,844.34 mi (7,796.22 km) |
| Sem to Copperas Cove (Texas) | 4,981.47 mi (8,016.91 km) |
| Sem to Coral Gables (Florida) | 4,726.35 mi (7,606.33 km) |
| Sem to Coral Springs (Florida) | 4,693.25 mi (7,553.05 km) |
| Sem to Coral Terrace (Florida) | 4,725.03 mi (7,604.20 km) |
| Sem to Coralville (Iowa) | 4,177.28 mi (6,722.68 km) |
| Sem to Coram (New York) | 3,633.77 mi (5,847.99 km) |
| Sem to Corcoran (California) | 5,252.58 mi (8,453.20 km) |
| Sem to Cordele (Georgia) | 4,484.90 mi (7,217.75 km) |
