| Portsmouth to San Diego (California) | 5,473.27 mi (8,808.38 km) |
| Portsmouth to San Diego Country Estates (California) | 5,451.99 mi (8,774.13 km) |
| Portsmouth to San Dimas (California) | 5,424.05 mi (8,729.17 km) |
| Portsmouth to San Fernando (California) | 5,434.43 mi (8,745.87 km) |
| Portsmouth to San Francisco (California) | 5,362.45 mi (8,630.04 km) |
| Portsmouth to San Gabriel (California) | 5,434.35 mi (8,745.74 km) |
| Portsmouth to San Germán (Puerto Rico) | 4,212.51 mi (6,779.38 km) |
| Portsmouth to San Jacinto (California) | 5,414.51 mi (8,713.81 km) |
| Portsmouth to San Jose (California) | 5,370.48 mi (8,642.95 km) |
| Portsmouth to San Juan (Puerto Rico) | 4,153.45 mi (6,684.33 km) |
| Portsmouth to San Juan (Texas) | 5,126.61 mi (8,250.48 km) |
| Portsmouth to San Juan Capistrano (California) | 5,453.25 mi (8,776.16 km) |
| Portsmouth to San Leandro (California) | 5,356.62 mi (8,620.65 km) |
| Portsmouth to San Lorenzo (California) | 5,357.77 mi (8,622.50 km) |
| Portsmouth to San Luis (Arizona) | 5,410.26 mi (8,706.97 km) |
