| Philadelphia to Delaware (Ohio) | 419.66 mi (675.37 km) |
| Philadelphia to Delhi (California) | 2,439.98 mi (3,926.77 km) |
| Philadelphia to Delray Beach (Florida) | 978.78 mi (1,575.20 km) |
| Philadelphia to Deltona (Florida) | 841.14 mi (1,353.68 km) |
| Philadelphia to Deming (New Mexico) | 1,885.34 mi (3,034.17 km) |
| Philadelphia to Denison (Texas) | 1,257.34 mi (2,023.50 km) |
| Philadelphia to Dent (Ohio) | 510.03 mi (820.81 km) |
| Philadelphia to Denton (Texas) | 1,303.33 mi (2,097.51 km) |
| Philadelphia to Dentsville (South Carolina) | 520.36 mi (837.44 km) |
| Philadelphia to Denver (Colorado) | 1,569.55 mi (2,525.94 km) |
| Philadelphia to Depew (New York) | 272.78 mi (439.00 km) |
| Philadelphia to Derby (Connecticut) | 140.89 mi (226.74 km) |
| Philadelphia to Derby (Kansas) | 1,200.26 mi (1,931.64 km) |
| Philadelphia to Des Moines (Iowa) | 970.68 mi (1,562.15 km) |
| Philadelphia to Des Moines (Washington) | 2,373.36 mi (3,819.55 km) |
