| Hartlepool to Desert Hot Springs (California) | 5,215.44 mi (8,393.44 km) |
| Hartlepool to DeSoto (Texas) | 4,625.17 mi (7,443.50 km) |
| Hartlepool to Destin (Florida) | 4,352.49 mi (7,004.66 km) |
| Hartlepool to Destrehan (Louisiana) | 4,524.63 mi (7,281.69 km) |
| Hartlepool to Detroit (Michigan) | 3,619.75 mi (5,825.42 km) |
| Hartlepool to Diamond Bar (California) | 5,251.97 mi (8,452.23 km) |
| Hartlepool to Diamond Springs (California) | 5,065.63 mi (8,152.35 km) |
| Hartlepool to Dickinson (North Dakota) | 4,069.97 mi (6,549.98 km) |
| Hartlepool to Dickinson (Texas) | 4,728.68 mi (7,610.07 km) |
| Hartlepool to Dickson (Tennessee) | 4,091.87 mi (6,585.23 km) |
| Hartlepool to Difficult Run (Virginia) | 3,569.83 mi (5,745.08 km) |
| Hartlepool to Dinuba (California) | 5,150.22 mi (8,288.48 km) |
| Hartlepool to Discovery Bay (California) | 5,133.44 mi (8,261.47 km) |
| Hartlepool to Dix Hills (New York) | 3,325.02 mi (5,351.10 km) |
| Hartlepool to Dixon (California) | 5,107.84 mi (8,220.27 km) |
