| Philadelphia to Darby (Pennsylvania) | 9.01 mi (14.50 km) |
| Philadelphia to Dardenne Prairie (Missouri) | 836.39 mi (1,346.04 km) |
| Philadelphia to Darien (Illinois) | 681.21 mi (1,096.29 km) |
| Philadelphia to Davenport (Iowa) | 815.34 mi (1,312.17 km) |
| Philadelphia to Davidson (North Carolina) | 440.67 mi (709.19 km) |
| Philadelphia to Davie (Florida) | 1,007.10 mi (1,620.77 km) |
| Philadelphia to Davis (California) | 2,465.67 mi (3,968.11 km) |
| Philadelphia to Dayton (Nevada) | 2,339.88 mi (3,765.67 km) |
| Philadelphia to Dayton (Ohio) | 480.66 mi (773.55 km) |
| Philadelphia to Daytona Beach (Florida) | 819.67 mi (1,319.13 km) |
| Philadelphia to De Pere (Wisconsin) | 728.37 mi (1,172.19 km) |
| Philadelphia to De Witt (New York) | 214.50 mi (345.20 km) |
| Philadelphia to Dearborn (Michigan) | 449.20 mi (722.91 km) |
| Philadelphia to Dearborn Heights (Michigan) | 452.38 mi (728.04 km) |
| Philadelphia to DeBary (Florida) | 845.22 mi (1,360.24 km) |
