| Hercules to Dover (New Hampshire) | 2,676.29 mi (4,307.07 km) |
| Hercules to Dover (New Jersey) | 2,521.10 mi (4,057.32 km) |
| Hercules to Dover (Ohio) | 2,168.67 mi (3,490.14 km) |
| Hercules to Downers Grove (Illinois) | 1,821.41 mi (2,931.28 km) |
| Hercules to Downey (California) | 363.55 mi (585.07 km) |
| Hercules to Dranesville (Virginia) | 2,403.12 mi (3,867.45 km) |
| Hercules to Draper (Utah) | 581.79 mi (936.31 km) |
| Hercules to Drexel Heights (Arizona) | 751.25 mi (1,209.03 km) |
| Hercules to Drexel Hill (Pennsylvania) | 2,496.19 mi (4,017.24 km) |
| Hercules to Duarte (California) | 358.24 mi (576.53 km) |
| Hercules to Dublin (California) | 28.07 mi (45.18 km) |
| Hercules to Dublin (Georgia) | 2,233.62 mi (3,594.67 km) |
| Hercules to Dublin (Ohio) | 2,086.46 mi (3,357.84 km) |
| Hercules to Dubuque (Iowa) | 1,682.28 mi (2,707.37 km) |
| Hercules to Duluth (Georgia) | 2,132.86 mi (3,432.51 km) |
