| Middlesex to Decatur (Alabama) | 798.64 mi (1,285.28 km) |
| Middlesex to Decatur (Georgia) | 714.55 mi (1,149.96 km) |
| Middlesex to Decatur (Illinois) | 762.27 mi (1,226.76 km) |
| Middlesex to Deer Park (New York) | 63.15 mi (101.63 km) |
| Middlesex to Deer Park (Texas) | 1,381.06 mi (2,222.61 km) |
| Middlesex to Deerfield (Illinois) | 700.17 mi (1,126.81 km) |
| Middlesex to Deerfield Beach (Florida) | 1,037.30 mi (1,669.37 km) |
| Middlesex to Defiance (Ohio) | 516.98 mi (832.01 km) |
| Middlesex to DeForest (Wisconsin) | 783.84 mi (1,261.47 km) |
| Middlesex to DeKalb (Illinois) | 745.09 mi (1,199.11 km) |
| Middlesex to Del Aire (California) | 2,430.63 mi (3,911.73 km) |
| Middlesex to Del City (Oklahoma) | 1,293.83 mi (2,082.22 km) |
| Middlesex to Del Rio (Texas) | 1,673.03 mi (2,692.49 km) |
| Middlesex to DeLand (Florida) | 885.45 mi (1,425.00 km) |
| Middlesex to Delano (California) | 2,427.79 mi (3,907.15 km) |
