| Silver Spring to Ukiah (California) | 2,449.95 mi (3,942.82 km) |
| Silver Spring to Union (Missouri) | 753.44 mi (1,212.55 km) |
| Silver Spring to Union City (California) | 2,416.59 mi (3,889.13 km) |
| Silver Spring to Union City (Georgia) | 561.79 mi (904.12 km) |
| Silver Spring to Union City (New Jersey) | 199.90 mi (321.71 km) |
| Silver Spring to Union City (Tennessee) | 680.43 mi (1,095.05 km) |
| Silver Spring to Union Hill-Novelty Hill (Washington) | 2,304.75 mi (3,709.14 km) |
| Silver Spring to Union Park (Florida) | 760.41 mi (1,223.77 km) |
| Silver Spring to Uniondale (New York) | 216.89 mi (349.06 km) |
| Silver Spring to Universal City (Texas) | 1,374.75 mi (2,212.44 km) |
| Silver Spring to University (Florida) | 816.29 mi (1,313.69 km) |
| Silver Spring to University City (Missouri) | 716.14 mi (1,152.52 km) |
| Silver Spring to University Heights (Ohio) | 293.73 mi (472.72 km) |
| Silver Spring to University of California-Santa Barbara (California) | 2,371.87 mi (3,817.16 km) |
| Silver Spring to University Park (Texas) | 1,182.09 mi (1,902.38 km) |
