| Philadelphia to Ukiah (California) | 2,529.26 mi (4,070.45 km) |
| Philadelphia to Union (Missouri) | 854.57 mi (1,375.30 km) |
| Philadelphia to Union City (California) | 2,500.63 mi (4,024.38 km) |
| Philadelphia to Union City (Georgia) | 683.74 mi (1,100.38 km) |
| Philadelphia to Union City (New Jersey) | 78.21 mi (125.87 km) |
| Philadelphia to Union City (Tennessee) | 793.77 mi (1,277.45 km) |
| Philadelphia to Union Hill-Novelty Hill (Washington) | 2,358.28 mi (3,795.29 km) |
| Philadelphia to Union Park (Florida) | 863.32 mi (1,389.38 km) |
| Philadelphia to Uniondale (New York) | 94.72 mi (152.44 km) |
| Philadelphia to Universal City (Texas) | 1,493.93 mi (2,404.24 km) |
| Philadelphia to University (Florida) | 923.36 mi (1,486.00 km) |
| Philadelphia to University City (Missouri) | 816.41 mi (1,313.89 km) |
| Philadelphia to University Heights (Ohio) | 350.35 mi (563.83 km) |
| Philadelphia to University of California-Santa Barbara (California) | 2,465.03 mi (3,967.08 km) |
| Philadelphia to University Park (Texas) | 1,297.42 mi (2,088.00 km) |
