| Portsmouth to Parma Heights (Ohio) | 3,724.12 mi (5,993.39 km) |
| Portsmouth to Parole (Maryland) | 3,616.87 mi (5,820.80 km) |
| Portsmouth to Parsippany (New Jersey) | 3,447.41 mi (5,548.06 km) |
| Portsmouth to Pasadena (California) | 5,432.00 mi (8,741.95 km) |
| Portsmouth to Pasadena (Maryland) | 3,609.55 mi (5,809.01 km) |
| Portsmouth to Pasadena (Texas) | 4,825.75 mi (7,766.29 km) |
| Portsmouth to Pasadena Hills (Florida) | 4,357.78 mi (7,013.17 km) |
| Portsmouth to Pascagoula (Mississippi) | 4,520.26 mi (7,274.66 km) |
| Portsmouth to Pasco (Washington) | 4,784.27 mi (7,699.54 km) |
| Portsmouth to Passaic (New Jersey) | 3,435.90 mi (5,529.55 km) |
| Portsmouth to Pataskala (Ohio) | 3,823.40 mi (6,153.17 km) |
| Portsmouth to Patchogue (New York) | 3,393.86 mi (5,461.89 km) |
| Portsmouth to Paterson (New Jersey) | 3,434.90 mi (5,527.94 km) |
| Portsmouth to Patterson (California) | 5,339.19 mi (8,592.59 km) |
| Portsmouth to Pawtucket (Rhode Island) | 3,279.51 mi (5,277.87 km) |
