| Middlesex to Candler-McAfee (Georgia) | 715.69 mi (1,151.80 km) |
| Middlesex to Caño Martin Peña (Puerto Rico) | 1,610.14 mi (2,591.27 km) |
| Middlesex to Cañon City (Colorado) | 1,635.85 mi (2,632.65 km) |
| Middlesex to Canóvanas (Puerto Rico) | 1,617.01 mi (2,602.33 km) |
| Middlesex to Canton (Georgia) | 700.38 mi (1,127.15 km) |
| Middlesex to Canton (Illinois) | 814.55 mi (1,310.89 km) |
| Middlesex to Canton (Mississippi) | 1,020.47 mi (1,642.29 km) |
| Middlesex to Canton (Ohio) | 360.00 mi (579.36 km) |
| Middlesex to Canyon (Texas) | 1,539.23 mi (2,477.16 km) |
| Middlesex to Canyon Lake (California) | 2,379.04 mi (3,828.70 km) |
| Middlesex to Canyon Lake (Texas) | 1,524.16 mi (2,452.90 km) |
| Middlesex to Cape Coral (Florida) | 1,053.63 mi (1,695.65 km) |
| Middlesex to Cape Girardeau (Missouri) | 838.86 mi (1,350.02 km) |
| Middlesex to Carbondale (Illinois) | 812.04 mi (1,306.86 km) |
| Middlesex to Carlisle (Pennsylvania) | 144.54 mi (232.62 km) |
