| Williamsport to Darby (Pennsylvania) | 130.34 mi (209.76 km) |
| Williamsport to Dardenne Prairie (Missouri) | 744.03 mi (1,197.41 km) |
| Williamsport to Darien (Illinois) | 567.15 mi (912.73 km) |
| Williamsport to Davenport (Iowa) | 702.85 mi (1,131.13 km) |
| Williamsport to Davidson (North Carolina) | 447.39 mi (720.01 km) |
| Williamsport to Davie (Florida) | 1,063.84 mi (1,712.09 km) |
| Williamsport to Davis (California) | 2,350.55 mi (3,782.85 km) |
| Williamsport to Dayton (Nevada) | 2,224.44 mi (3,579.89 km) |
| Williamsport to Dayton (Ohio) | 389.44 mi (626.74 km) |
| Williamsport to Daytona Beach (Florida) | 862.63 mi (1,388.27 km) |
| Williamsport to De Pere (Wisconsin) | 600.70 mi (966.73 km) |
| Williamsport to De Witt (New York) | 133.01 mi (214.06 km) |
| Williamsport to Dearborn (Michigan) | 326.66 mi (525.71 km) |
| Williamsport to Dearborn Heights (Michigan) | 329.92 mi (530.95 km) |
| Williamsport to DeBary (Florida) | 887.31 mi (1,427.99 km) |
