| Middlesex to Cibolo (Texas) | 1,534.37 mi (2,469.33 km) |
| Middlesex to Cicero (Illinois) | 694.01 mi (1,116.90 km) |
| Middlesex to Cimarron Hills (Colorado) | 1,601.46 mi (2,577.31 km) |
| Middlesex to Cincinnati (Ohio) | 539.49 mi (868.23 km) |
| Middlesex to Cinco Ranch (Texas) | 1,409.40 mi (2,268.22 km) |
| Middlesex to Circleville (Ohio) | 450.53 mi (725.05 km) |
| Middlesex to Citrus (California) | 2,399.91 mi (3,862.29 km) |
| Middlesex to Citrus Heights (California) | 2,463.46 mi (3,964.55 km) |
| Middlesex to Citrus Park (Florida) | 977.53 mi (1,573.19 km) |
| Middlesex to Claiborne (Louisiana) | 1,125.21 mi (1,810.85 km) |
| Middlesex to Claremont (California) | 2,390.53 mi (3,847.19 km) |
| Middlesex to Claremont (New Hampshire) | 223.38 mi (359.50 km) |
| Middlesex to Claremore (Oklahoma) | 1,176.41 mi (1,893.24 km) |
| Middlesex to Clarksburg (Maryland) | 173.70 mi (279.54 km) |
| Middlesex to Clarksburg (West Virginia) | 320.98 mi (516.57 km) |
