| Middlesex to Cloverleaf (Texas) | 1,379.54 mi (2,220.15 km) |
| Middlesex to Cloverly (Maryland) | 166.89 mi (268.58 km) |
| Middlesex to Clovis (California) | 2,423.30 mi (3,899.93 km) |
| Middlesex to Clovis (New Mexico) | 1,620.76 mi (2,608.37 km) |
| Middlesex to Clute (Texas) | 1,423.20 mi (2,290.42 km) |
| Middlesex to Coachella (California) | 2,320.29 mi (3,734.15 km) |
| Middlesex to Coalinga (California) | 2,473.46 mi (3,980.65 km) |
| Middlesex to Coamo (Puerto Rico) | 1,628.02 mi (2,620.05 km) |
| Middlesex to Coatesville (Pennsylvania) | 80.57 mi (129.67 km) |
| Middlesex to Cockeysville (Maryland) | 135.61 mi (218.25 km) |
| Middlesex to Cocoa (Florida) | 914.24 mi (1,471.33 km) |
| Middlesex to Cocoa Beach (Florida) | 914.37 mi (1,471.54 km) |
| Middlesex to Coconut Creek (Florida) | 1,039.94 mi (1,673.63 km) |
| Middlesex to Coeur d'Alene (Idaho) | 2,126.03 mi (3,421.52 km) |
| Middlesex to Cohoes (New York) | 157.34 mi (253.22 km) |
