| Portsmouth to University Place (Washington) | 4,824.98 mi (7,765.06 km) |
| Portsmouth to Upland (California) | 5,418.61 mi (8,720.41 km) |
| Portsmouth to Upper Arlington (Ohio) | 3,836.94 mi (6,174.96 km) |
| Portsmouth to Upper Grand Lagoon (Florida) | 4,413.07 mi (7,102.15 km) |
| Portsmouth to Upper Montclair (New Jersey) | 3,439.49 mi (5,535.33 km) |
| Portsmouth to Urbana (Illinois) | 4,036.47 mi (6,496.08 km) |
| Portsmouth to Urbana (Maryland) | 3,634.64 mi (5,849.38 km) |
| Portsmouth to Urbana (Ohio) | 3,860.68 mi (6,213.17 km) |
| Portsmouth to Urbandale (Iowa) | 4,178.68 mi (6,724.94 km) |
| Portsmouth to Utica (New York) | 3,387.85 mi (5,452.22 km) |
| Portsmouth to Uvalde (Texas) | 5,033.21 mi (8,100.17 km) |
| Portsmouth to Vacaville (California) | 5,313.38 mi (8,551.06 km) |
| Portsmouth to Vadnais Heights (Minnesota) | 3,992.66 mi (6,425.57 km) |
| Portsmouth to Vail (Arizona) | 5,294.98 mi (8,521.45 km) |
| Portsmouth to Valdosta (Georgia) | 4,276.34 mi (6,882.11 km) |
