| West Mifflin to Petaluma (California) | 2,266.51 mi (3,647.60 km) |
| West Mifflin to Petersburg (Virginia) | 256.58 mi (412.92 km) |
| West Mifflin to Pflugerville (Texas) | 1,205.24 mi (1,939.65 km) |
| West Mifflin to Pharr (Texas) | 1,435.59 mi (2,310.35 km) |
| West Mifflin to Phelan (California) | 2,088.64 mi (3,361.34 km) |
| West Mifflin to Phenix City (Alabama) | 615.26 mi (990.17 km) |
| West Mifflin to Philadelphia (Pennsylvania) | 253.10 mi (407.33 km) |
| West Mifflin to Phillipsburg (New Jersey) | 249.19 mi (401.04 km) |
| West Mifflin to Phoenix (Arizona) | 1,826.40 mi (2,939.30 km) |
| West Mifflin to Phoenixville (Pennsylvania) | 231.85 mi (373.13 km) |
| West Mifflin to Picayune (Mississippi) | 872.31 mi (1,403.84 km) |
| West Mifflin to Pickerington (Ohio) | 154.56 mi (248.73 km) |
| West Mifflin to Pico Rivera (California) | 2,130.40 mi (3,428.55 km) |
| West Mifflin to Piedmont (California) | 2,254.76 mi (3,628.68 km) |
| West Mifflin to Pierre (South Dakota) | 1,075.25 mi (1,730.45 km) |
