| Blackrock to University Place (Washington) | 4,554.03 mi (7,329.00 km) |
| Blackrock to Upland (California) | 5,142.12 mi (8,275.44 km) |
| Blackrock to Upper Arlington (Ohio) | 3,573.79 mi (5,751.46 km) |
| Blackrock to Upper Grand Lagoon (Florida) | 4,161.41 mi (6,697.14 km) |
| Blackrock to Upper Montclair (New Jersey) | 3,184.37 mi (5,124.74 km) |
| Blackrock to Urbana (Illinois) | 3,768.90 mi (6,065.45 km) |
| Blackrock to Urbana (Maryland) | 3,378.63 mi (5,437.39 km) |
| Blackrock to Urbana (Ohio) | 3,596.80 mi (5,788.48 km) |
| Blackrock to Urbandale (Iowa) | 3,906.25 mi (6,286.51 km) |
| Blackrock to Utica (New York) | 3,127.43 mi (5,033.11 km) |
| Blackrock to Uvalde (Texas) | 4,766.48 mi (7,670.91 km) |
| Blackrock to Vacaville (California) | 5,038.30 mi (8,108.36 km) |
| Blackrock to Vadnais Heights (Minnesota) | 3,718.39 mi (5,984.17 km) |
| Blackrock to Vail (Arizona) | 5,019.89 mi (8,078.74 km) |
| Blackrock to Valdosta (Georgia) | 4,027.15 mi (6,481.07 km) |
