| Portsmouth to Sugar Hill (Georgia) | 4,151.80 mi (6,681.68 km) |
| Portsmouth to Sugar Land (Texas) | 4,848.60 mi (7,803.07 km) |
| Portsmouth to Sugarland Run (Virginia) | 3,649.07 mi (5,872.61 km) |
| Portsmouth to Sugarmill Woods (Florida) | 4,347.21 mi (6,996.16 km) |
| Portsmouth to Suisun City (California) | 5,321.04 mi (8,563.38 km) |
| Portsmouth to Suitland (Maryland) | 3,638.28 mi (5,855.24 km) |
| Portsmouth to Sulphur (Louisiana) | 4,724.14 mi (7,602.77 km) |
| Portsmouth to Sulphur Springs (Texas) | 4,666.88 mi (7,510.62 km) |
| Portsmouth to Summerfield (Maryland) | 3,633.59 mi (5,847.70 km) |
| Portsmouth to Summerfield (North Carolina) | 3,881.40 mi (6,246.51 km) |
| Portsmouth to Summerlin South (Nevada) | 5,229.20 mi (8,415.59 km) |
| Portsmouth to Summerville (South Carolina) | 4,042.40 mi (6,505.62 km) |
| Portsmouth to Summit (Illinois) | 3,944.43 mi (6,347.95 km) |
| Portsmouth to Summit (New Jersey) | 3,451.69 mi (5,554.96 km) |
| Portsmouth to Sumner (Washington) | 4,816.31 mi (7,751.11 km) |
