| Portsmouth to South Plainfield (New Jersey) | 3,459.74 mi (5,567.91 km) |
| Portsmouth to South Portland (Maine) | 3,164.42 mi (5,092.64 km) |
| Portsmouth to South Riding (Virginia) | 3,659.98 mi (5,890.16 km) |
| Portsmouth to South River (New Jersey) | 3,463.69 mi (5,574.28 km) |
| Portsmouth to South Salt Lake (Utah) | 4,865.09 mi (7,829.60 km) |
| Portsmouth to South San Francisco (California) | 5,367.56 mi (8,638.26 km) |
| Portsmouth to South San Jose Hills (California) | 5,432.61 mi (8,742.94 km) |
| Portsmouth to South Sioux City (Nebraska) | 4,236.66 mi (6,818.25 km) |
| Portsmouth to South St. Paul (Minnesota) | 3,999.22 mi (6,436.12 km) |
| Portsmouth to South Valley (New Mexico) | 4,989.43 mi (8,029.70 km) |
| Portsmouth to South Venice (Florida) | 4,426.94 mi (7,124.46 km) |
| Portsmouth to South Whittier (California) | 5,441.24 mi (8,756.83 km) |
| Portsmouth to South Yarmouth (Massachusetts) | 3,238.98 mi (5,212.64 km) |
| Portsmouth to Southaven (Mississippi) | 4,352.79 mi (7,005.15 km) |
| Portsmouth to Southchase (Florida) | 4,317.13 mi (6,947.75 km) |
