| Oak Ridge to Ukiah (California) | 2,126.65 mi (3,422.51 km) |
| Oak Ridge to Union (Missouri) | 406.28 mi (653.85 km) |
| Oak Ridge to Union City (California) | 2,076.57 mi (3,341.92 km) |
| Oak Ridge to Union City (Georgia) | 164.44 mi (264.64 km) |
| Oak Ridge to Union City (New Jersey) | 646.79 mi (1,040.92 km) |
| Oak Ridge to Union City (Tennessee) | 266.95 mi (429.61 km) |
| Oak Ridge to Union Hill-Novelty Hill (Washington) | 2,079.36 mi (3,346.40 km) |
| Oak Ridge to Union Park (Florida) | 541.40 mi (871.30 km) |
| Oak Ridge to Uniondale (New York) | 665.68 mi (1,071.30 km) |
| Oak Ridge to Universal City (Texas) | 925.61 mi (1,489.63 km) |
| Oak Ridge to University (Florida) | 555.68 mi (894.28 km) |
| Oak Ridge to University City (Missouri) | 380.57 mi (612.46 km) |
| Oak Ridge to University Heights (Ohio) | 410.00 mi (659.83 km) |
| Oak Ridge to University of California-Santa Barbara (California) | 1,999.86 mi (3,218.47 km) |
| Oak Ridge to University Park (Texas) | 743.68 mi (1,196.84 km) |
