| Hartlepool to Delhi (California) | 5,138.10 mi (8,268.98 km) |
| Hartlepool to Delray Beach (Florida) | 4,311.23 mi (6,938.26 km) |
| Hartlepool to Deltona (Florida) | 4,226.17 mi (6,801.37 km) |
| Hartlepool to Deming (New Mexico) | 5,026.94 mi (8,090.08 km) |
| Hartlepool to Denison (Texas) | 4,552.10 mi (7,325.90 km) |
| Hartlepool to Dent (Ohio) | 3,832.96 mi (6,168.55 km) |
| Hartlepool to Denton (Texas) | 4,601.96 mi (7,406.14 km) |
| Hartlepool to Dentsville (South Carolina) | 3,948.66 mi (6,354.75 km) |
| Hartlepool to Denver (Colorado) | 4,515.72 mi (7,267.36 km) |
| Hartlepool to Depew (New York) | 3,431.38 mi (5,522.27 km) |
| Hartlepool to Derby (Connecticut) | 3,290.93 mi (5,296.25 km) |
| Hartlepool to Derby (Kansas) | 4,374.30 mi (7,039.76 km) |
| Hartlepool to Des Moines (Iowa) | 4,037.85 mi (6,498.29 km) |
| Hartlepool to Des Moines (Washington) | 4,596.00 mi (7,396.55 km) |
| Hartlepool to Des Plaines (Illinois) | 3,811.69 mi (6,134.33 km) |
