| Sem to Cicero (Illinois) | 4,053.75 mi (6,523.88 km) |
| Sem to Cimarron Hills (Colorado) | 4,713.39 mi (7,585.46 km) |
| Sem to Cincinnati (Ohio) | 4,103.12 mi (6,603.33 km) |
| Sem to Cinco Ranch (Texas) | 4,997.57 mi (8,042.82 km) |
| Sem to Circleville (Ohio) | 4,027.29 mi (6,481.29 km) |
| Sem to Citrus (California) | 5,338.20 mi (8,591.00 km) |
| Sem to Citrus Heights (California) | 5,125.25 mi (8,248.29 km) |
| Sem to Citrus Park (Florida) | 4,667.48 mi (7,511.58 km) |
| Sem to Claiborne (Louisiana) | 4,722.36 mi (7,599.91 km) |
| Sem to Claremont (California) | 5,333.48 mi (8,583.41 km) |
| Sem to Claremont (New Hampshire) | 3,480.14 mi (5,600.75 km) |
| Sem to Claremore (Oklahoma) | 4,606.21 mi (7,412.98 km) |
| Sem to Clarksburg (Maryland) | 3,864.24 mi (6,218.89 km) |
| Sem to Clarksburg (West Virginia) | 3,960.91 mi (6,374.47 km) |
| Sem to Clarksdale (Mississippi) | 4,575.30 mi (7,363.23 km) |
