| Hereford to Decatur (Georgia) | 4,084.93 mi (6,574.06 km) |
| Hereford to Decatur (Illinois) | 3,976.52 mi (6,399.59 km) |
| Hereford to Deer Park (New York) | 3,314.21 mi (5,333.70 km) |
| Hereford to Deer Park (Texas) | 4,725.48 mi (7,604.92 km) |
| Hereford to Deerfield (Illinois) | 3,826.91 mi (6,158.82 km) |
| Hereford to Deerfield Beach (Florida) | 4,283.18 mi (6,893.10 km) |
| Hereford to Defiance (Ohio) | 3,732.94 mi (6,007.58 km) |
| Hereford to DeForest (Wisconsin) | 3,834.21 mi (6,170.57 km) |
| Hereford to DeKalb (Illinois) | 3,871.88 mi (6,231.19 km) |
| Hereford to Del Aire (California) | 5,343.83 mi (8,600.06 km) |
| Hereford to Del City (Oklahoma) | 4,519.45 mi (7,273.35 km) |
| Hereford to Del Rio (Texas) | 4,967.77 mi (7,994.85 km) |
| Hereford to DeLand (Florida) | 4,195.08 mi (6,751.33 km) |
| Hereford to Delano (California) | 5,267.34 mi (8,476.97 km) |
| Hereford to Delaware (Ohio) | 3,727.67 mi (5,999.11 km) |
