| West Mifflin to Dover (New Hampshire) | 504.05 mi (811.19 km) |
| West Mifflin to Dover (New Jersey) | 282.76 mi (455.06 km) |
| West Mifflin to Dover (Ohio) | 83.58 mi (134.51 km) |
| West Mifflin to Downers Grove (Illinois) | 433.73 mi (698.02 km) |
| West Mifflin to Downey (California) | 2,134.06 mi (3,434.43 km) |
| West Mifflin to Dranesville (Virginia) | 164.55 mi (264.81 km) |
| West Mifflin to Draper (Utah) | 1,671.33 mi (2,689.75 km) |
| West Mifflin to Drexel Heights (Arizona) | 1,814.61 mi (2,920.33 km) |
| West Mifflin to Drexel Hill (Pennsylvania) | 244.71 mi (393.83 km) |
| West Mifflin to Duarte (California) | 2,118.49 mi (3,409.38 km) |
| West Mifflin to Dublin (California) | 2,239.68 mi (3,604.42 km) |
| West Mifflin to Dublin (Georgia) | 565.83 mi (910.61 km) |
| West Mifflin to Dublin (Ohio) | 171.64 mi (276.22 km) |
| West Mifflin to Dubuque (Iowa) | 578.26 mi (930.62 km) |
| West Mifflin to Duluth (Georgia) | 497.02 mi (799.88 km) |
