| Williamsport to Dover (New Hampshire) | 342.32 mi (550.90 km) |
| Williamsport to Dover (New Jersey) | 131.35 mi (211.39 km) |
| Williamsport to Dover (Ohio) | 237.21 mi (381.75 km) |
| Williamsport to Downers Grove (Illinois) | 568.95 mi (915.64 km) |
| Williamsport to Downey (California) | 2,283.56 mi (3,675.03 km) |
| Williamsport to Dranesville (Virginia) | 156.06 mi (251.16 km) |
| Williamsport to Draper (Utah) | 1,807.99 mi (2,909.68 km) |
| Williamsport to Drexel Heights (Arizona) | 1,971.69 mi (3,173.13 km) |
| Williamsport to Drexel Hill (Pennsylvania) | 127.34 mi (204.94 km) |
| Williamsport to Duarte (California) | 2,267.69 mi (3,649.50 km) |
| Williamsport to Dublin (California) | 2,378.18 mi (3,827.31 km) |
| Williamsport to Dublin (Georgia) | 683.42 mi (1,099.85 km) |
| Williamsport to Dublin (Ohio) | 329.37 mi (530.07 km) |
| Williamsport to Dubuque (Iowa) | 707.92 mi (1,139.28 km) |
| Williamsport to Duluth (Georgia) | 633.02 mi (1,018.75 km) |
