| Middlesex to Dixon (California) | 2,496.40 mi (4,017.56 km) |
| Middlesex to Dixon (Illinois) | 782.48 mi (1,259.28 km) |
| Middlesex to Dobbs Ferry (New York) | 44.81 mi (72.11 km) |
| Middlesex to Doctor Phillips (Florida) | 926.80 mi (1,491.55 km) |
| Middlesex to Dodge City (Kansas) | 1,375.73 mi (2,214.03 km) |
| Middlesex to Dolton (Illinois) | 685.09 mi (1,102.55 km) |
| Middlesex to Donna (Texas) | 1,676.58 mi (2,698.19 km) |
| Middlesex to Dorado (Puerto Rico) | 1,603.78 mi (2,581.03 km) |
| Middlesex to Doral (Florida) | 1,073.80 mi (1,728.11 km) |
| Middlesex to Doraville (Georgia) | 707.00 mi (1,137.81 km) |
| Middlesex to Dothan (Alabama) | 886.87 mi (1,427.28 km) |
| Middlesex to Douglas (Arizona) | 2,044.72 mi (3,290.66 km) |
| Middlesex to Douglas (Georgia) | 780.40 mi (1,255.94 km) |
| Middlesex to Douglasville (Georgia) | 733.15 mi (1,179.89 km) |
| Middlesex to Dover (Delaware) | 111.61 mi (179.62 km) |
