| Rockwall to University Place (Washington) | 1,684.36 mi (2,710.72 km) |
| Rockwall to Upland (California) | 1,223.15 mi (1,968.47 km) |
| Rockwall to Upper Arlington (Ohio) | 888.92 mi (1,430.58 km) |
| Rockwall to Upper Grand Lagoon (Florida) | 657.50 mi (1,058.15 km) |
| Rockwall to Upper Montclair (New Jersey) | 1,340.49 mi (2,157.31 km) |
| Rockwall to Urbana (Illinois) | 674.97 mi (1,086.25 km) |
| Rockwall to Urbana (Maryland) | 1,151.16 mi (1,852.61 km) |
| Rockwall to Urbana (Ohio) | 860.54 mi (1,384.91 km) |
| Rockwall to Urbandale (Iowa) | 619.99 mi (997.77 km) |
| Rockwall to Utica (New York) | 1,346.25 mi (2,166.58 km) |
| Rockwall to Uvalde (Texas) | 323.23 mi (520.19 km) |
| Rockwall to Vacaville (California) | 1,476.80 mi (2,376.68 km) |
| Rockwall to Vadnais Heights (Minnesota) | 857.81 mi (1,380.51 km) |
| Rockwall to Vail (Arizona) | 832.70 mi (1,340.10 km) |
| Rockwall to Valdosta (Georgia) | 784.54 mi (1,262.59 km) |
