| Hercules to Darby (Pennsylvania) | 2,498.83 mi (4,021.48 km) |
| Hercules to Dardenne Prairie (Missouri) | 1,699.73 mi (2,735.46 km) |
| Hercules to Darien (Illinois) | 1,823.41 mi (2,934.50 km) |
| Hercules to Davenport (Iowa) | 1,688.78 mi (2,717.82 km) |
| Hercules to Davidson (North Carolina) | 2,281.56 mi (3,671.82 km) |
| Hercules to Davie (Florida) | 2,567.97 mi (4,132.75 km) |
| Hercules to Davis (California) | 47.24 mi (76.03 km) |
| Hercules to Dayton (Nevada) | 169.07 mi (272.10 km) |
| Hercules to Dayton (Ohio) | 2,034.77 mi (3,274.64 km) |
| Hercules to Daytona Beach (Florida) | 2,424.50 mi (3,901.86 km) |
| Hercules to De Pere (Wisconsin) | 1,816.62 mi (2,923.57 km) |
| Hercules to De Witt (New York) | 2,419.15 mi (3,893.25 km) |
| Hercules to Dearborn (Michigan) | 2,064.68 mi (3,322.78 km) |
| Hercules to Dearborn Heights (Michigan) | 2,061.41 mi (3,317.51 km) |
| Hercules to DeBary (Florida) | 2,421.77 mi (3,897.47 km) |
