| Pittsburgh to Ukiah (California) | 2,273.84 mi (3,659.40 km) |
| Pittsburgh to Union (Missouri) | 603.41 mi (971.10 km) |
| Pittsburgh to Union City (California) | 2,243.98 mi (3,611.33 km) |
| Pittsburgh to Union City (Georgia) | 536.21 mi (862.94 km) |
| Pittsburgh to Union City (New Jersey) | 312.57 mi (503.03 km) |
| Pittsburgh to Union City (Tennessee) | 563.42 mi (906.73 km) |
| Pittsburgh to Union Hill-Novelty Hill (Washington) | 2,119.27 mi (3,410.64 km) |
| Pittsburgh to Union Park (Florida) | 823.51 mi (1,325.32 km) |
| Pittsburgh to Uniondale (New York) | 335.36 mi (539.72 km) |
| Pittsburgh to Universal City (Texas) | 1,277.24 mi (2,055.52 km) |
| Pittsburgh to University (Florida) | 865.52 mi (1,392.91 km) |
| Pittsburgh to University City (Missouri) | 564.75 mi (908.88 km) |
| Pittsburgh to University Heights (Ohio) | 109.21 mi (175.75 km) |
| Pittsburgh to University of California-Santa Barbara (California) | 2,208.18 mi (3,553.72 km) |
| Pittsburgh to University Park (Texas) | 1,067.01 mi (1,717.19 km) |
