| Philadelphia to Dallas (Oregon) | 2,442.57 mi (3,930.94 km) |
| Philadelphia to Dallas (Texas) | 1,297.94 mi (2,088.83 km) |
| Philadelphia to Dalton (Georgia) | 649.52 mi (1,045.31 km) |
| Philadelphia to Daly City (California) | 2,522.12 mi (4,058.96 km) |
| Philadelphia to Damascus (Maryland) | 120.96 mi (194.66 km) |
| Philadelphia to Damascus (Oregon) | 2,395.42 mi (3,855.05 km) |
| Philadelphia to Dana Point (California) | 2,376.40 mi (3,824.45 km) |
| Philadelphia to Danbury (Connecticut) | 129.85 mi (208.97 km) |
| Philadelphia to Dania Beach (Florida) | 1,006.34 mi (1,619.54 km) |
| Philadelphia to Danville (California) | 2,493.52 mi (4,012.94 km) |
| Philadelphia to Danville (Illinois) | 659.20 mi (1,060.87 km) |
| Philadelphia to Danville (Indiana) | 602.56 mi (969.72 km) |
| Philadelphia to Danville (Kentucky) | 543.91 mi (875.33 km) |
| Philadelphia to Danville (Virginia) | 331.16 mi (532.95 km) |
| Philadelphia to Daphne (Alabama) | 965.95 mi (1,554.54 km) |
