| Hercules to Dallas (Oregon) | 480.94 mi (773.99 km) |
| Hercules to Dallas (Texas) | 1,474.96 mi (2,373.71 km) |
| Hercules to Dalton (Georgia) | 2,071.98 mi (3,334.53 km) |
| Hercules to Daly City (California) | 24.97 mi (40.18 km) |
| Hercules to Damascus (Maryland) | 2,408.02 mi (3,875.33 km) |
| Hercules to Damascus (Oregon) | 512.55 mi (824.87 km) |
| Hercules to Dana Point (California) | 404.21 mi (650.52 km) |
| Hercules to Danbury (Connecticut) | 2,569.60 mi (4,135.37 km) |
| Hercules to Dania Beach (Florida) | 2,575.31 mi (4,144.56 km) |
| Hercules to Danville (California) | 20.60 mi (33.15 km) |
| Hercules to Danville (Illinois) | 1,852.43 mi (2,981.19 km) |
| Hercules to Danville (Indiana) | 1,914.09 mi (3,080.43 km) |
| Hercules to Danville (Kentucky) | 2,031.55 mi (3,269.46 km) |
| Hercules to Danville (Virginia) | 2,336.23 mi (3,759.79 km) |
| Hercules to Daphne (Alabama) | 2,014.41 mi (3,241.88 km) |
