| National City to University Place (Washington) | 1,045.19 mi (1,682.06 km) |
| National City to Upland (California) | 105.46 mi (169.72 km) |
| National City to Upper Arlington (Ohio) | 1,947.84 mi (3,134.74 km) |
| National City to Upper Grand Lagoon (Florida) | 1,850.31 mi (2,977.78 km) |
| National City to Upper Montclair (New Jersey) | 2,415.74 mi (3,887.75 km) |
| National City to Urbana (Illinois) | 1,679.16 mi (2,702.35 km) |
| National City to Urbana (Maryland) | 2,250.80 mi (3,622.31 km) |
| National City to Urbana (Ohio) | 1,912.26 mi (3,077.49 km) |
| National City to Urbandale (Iowa) | 1,419.74 mi (2,284.86 km) |
| National City to Utica (New York) | 2,367.09 mi (3,809.47 km) |
| National City to Uvalde (Texas) | 1,052.41 mi (1,693.69 km) |
| National City to Vacaville (California) | 479.12 mi (771.07 km) |
| National City to Vadnais Heights (Minnesota) | 1,540.96 mi (2,479.94 km) |
| National City to Vail (Arizona) | 376.44 mi (605.82 km) |
| National City to Valdosta (Georgia) | 1,982.46 mi (3,190.46 km) |
