| Blackrock to Ukiah (California) | 5,030.73 mi (8,096.17 km) |
| Blackrock to Union (Missouri) | 3,956.55 mi (6,367.46 km) |
| Blackrock to Union City (California) | 5,083.03 mi (8,180.35 km) |
| Blackrock to Union City (Georgia) | 3,942.00 mi (6,344.04 km) |
| Blackrock to Union City (New Jersey) | 3,180.94 mi (5,119.23 km) |
| Blackrock to Union City (Tennessee) | 3,979.97 mi (6,405.14 km) |
| Blackrock to Union Hill-Novelty Hill (Washington) | 4,513.87 mi (7,264.37 km) |
| Blackrock to Union Park (Florida) | 4,059.47 mi (6,533.08 km) |
| Blackrock to Uniondale (New York) | 3,165.52 mi (5,094.42 km) |
| Blackrock to Universal City (Texas) | 4,691.81 mi (7,550.73 km) |
| Blackrock to University (Florida) | 4,133.49 mi (6,652.22 km) |
| Blackrock to University City (Missouri) | 3,920.21 mi (6,308.98 km) |
| Blackrock to University Heights (Ohio) | 3,446.42 mi (5,546.47 km) |
| Blackrock to University of California-Santa Barbara (California) | 5,196.97 mi (8,363.71 km) |
| Blackrock to University Park (Texas) | 4,460.80 mi (7,178.96 km) |
