| Middlesex to Commerce (California) | 2,417.01 mi (3,889.81 km) |
| Middlesex to Commerce City (Colorado) | 1,593.59 mi (2,564.64 km) |
| Middlesex to Compton (California) | 2,423.86 mi (3,900.83 km) |
| Middlesex to Comstock Park (Michigan) | 599.82 mi (965.32 km) |
| Middlesex to Concord (California) | 2,516.17 mi (4,049.38 km) |
| Middlesex to Concord (Missouri) | 855.56 mi (1,376.89 km) |
| Middlesex to Concord (New Hampshire) | 237.79 mi (382.69 km) |
| Middlesex to Concord (North Carolina) | 489.43 mi (787.67 km) |
| Middlesex to Conneaut (Ohio) | 328.67 mi (528.94 km) |
| Middlesex to Connersville (Indiana) | 565.39 mi (909.91 km) |
| Middlesex to Conroe (Texas) | 1,371.70 mi (2,207.54 km) |
| Middlesex to Converse (Texas) | 1,541.29 mi (2,480.47 km) |
| Middlesex to Conway (Arkansas) | 1,049.26 mi (1,688.62 km) |
| Middlesex to Conway (Florida) | 919.83 mi (1,480.32 km) |
| Middlesex to Conway (South Carolina) | 527.98 mi (849.70 km) |
