| Seal Beach to University Place (Washington) | 958.87 mi (1,543.15 km) |
| Seal Beach to Upland (California) | 34.44 mi (55.43 km) |
| Seal Beach to Upper Arlington (Ohio) | 1,968.74 mi (3,168.38 km) |
| Seal Beach to Upper Grand Lagoon (Florida) | 1,903.50 mi (3,063.39 km) |
| Seal Beach to Upper Montclair (New Jersey) | 2,434.38 mi (3,917.75 km) |
| Seal Beach to Urbana (Illinois) | 1,698.53 mi (2,733.53 km) |
| Seal Beach to Urbana (Maryland) | 2,274.00 mi (3,659.65 km) |
| Seal Beach to Urbana (Ohio) | 1,932.78 mi (3,110.51 km) |
| Seal Beach to Urbandale (Iowa) | 1,429.17 mi (2,300.03 km) |
| Seal Beach to Utica (New York) | 2,379.33 mi (3,829.16 km) |
| Seal Beach to Uvalde (Texas) | 1,120.77 mi (1,803.71 km) |
| Seal Beach to Vacaville (California) | 385.35 mi (620.17 km) |
| Seal Beach to Vadnais Heights (Minnesota) | 1,536.79 mi (2,473.22 km) |
| Seal Beach to Vail (Arizona) | 444.36 mi (715.12 km) |
| Seal Beach to Valdosta (Georgia) | 2,032.21 mi (3,270.52 km) |
