| West Mifflin to Des Plaines (Illinois) | 431.23 mi (694.00 km) |
| West Mifflin to Desert Hot Springs (California) | 2,049.97 mi (3,299.11 km) |
| West Mifflin to DeSoto (Texas) | 1,081.16 mi (1,739.95 km) |
| West Mifflin to Destin (Florida) | 780.80 mi (1,256.58 km) |
| West Mifflin to Destrehan (Louisiana) | 928.61 mi (1,494.45 km) |
| West Mifflin to Detroit (Michigan) | 216.83 mi (348.95 km) |
| West Mifflin to Diamond Bar (California) | 2,115.80 mi (3,405.05 km) |
| West Mifflin to Diamond Springs (California) | 2,164.96 mi (3,484.17 km) |
| West Mifflin to Dickinson (North Dakota) | 1,224.85 mi (1,971.21 km) |
| West Mifflin to Dickinson (Texas) | 1,139.17 mi (1,833.31 km) |
| West Mifflin to Dickson (Tennessee) | 501.72 mi (807.43 km) |
| West Mifflin to Difficult Run (Virginia) | 169.36 mi (272.56 km) |
| West Mifflin to Dinuba (California) | 2,135.21 mi (3,436.28 km) |
| West Mifflin to Discovery Bay (California) | 2,220.21 mi (3,573.08 km) |
| West Mifflin to Dix Hills (New York) | 346.04 mi (556.90 km) |
