| Williamsport to Dallas (Oregon) | 2,317.31 mi (3,729.35 km) |
| Williamsport to Dallas (Texas) | 1,230.94 mi (1,981.01 km) |
| Williamsport to Dalton (Georgia) | 621.17 mi (999.67 km) |
| Williamsport to Daly City (California) | 2,408.24 mi (3,875.68 km) |
| Williamsport to Damascus (Maryland) | 136.36 mi (219.45 km) |
| Williamsport to Damascus (Oregon) | 2,269.69 mi (3,652.71 km) |
| Williamsport to Dana Point (California) | 2,274.72 mi (3,660.81 km) |
| Williamsport to Danbury (Connecticut) | 185.37 mi (298.33 km) |
| Williamsport to Dania Beach (Florida) | 1,063.97 mi (1,712.30 km) |
| Williamsport to Danville (California) | 2,379.66 mi (3,829.70 km) |
| Williamsport to Danville (Illinois) | 558.77 mi (899.25 km) |
| Williamsport to Danville (Indiana) | 507.43 mi (816.63 km) |
| Williamsport to Danville (Kentucky) | 481.80 mi (775.38 km) |
| Williamsport to Danville (Virginia) | 346.06 mi (556.93 km) |
| Williamsport to Daphne (Alabama) | 950.14 mi (1,529.10 km) |
