| Portsmouth to Pell City (Alabama) | 4,269.32 mi (6,870.81 km) |
| Portsmouth to Pella (Iowa) | 4,157.36 mi (6,690.63 km) |
| Portsmouth to Pembroke Pines (Florida) | 4,389.10 mi (7,063.57 km) |
| Portsmouth to Pendleton (Oregon) | 4,807.25 mi (7,736.53 km) |
| Portsmouth to Pensacola (Florida) | 4,460.15 mi (7,177.92 km) |
| Portsmouth to Peoria (Arizona) | 5,255.18 mi (8,457.40 km) |
| Portsmouth to Peoria (Illinois) | 4,061.83 mi (6,536.89 km) |
| Portsmouth to Perris (California) | 5,422.63 mi (8,726.88 km) |
| Portsmouth to Perry (Georgia) | 4,216.64 mi (6,786.02 km) |
| Portsmouth to Perry Hall (Maryland) | 3,595.42 mi (5,786.28 km) |
| Portsmouth to Perrysburg (Ohio) | 3,792.19 mi (6,102.95 km) |
| Portsmouth to Perth Amboy (New Jersey) | 3,456.13 mi (5,562.11 km) |
| Portsmouth to Peru (Indiana) | 3,923.35 mi (6,314.03 km) |
| Portsmouth to Petal (Mississippi) | 4,499.80 mi (7,241.72 km) |
| Portsmouth to Petaluma (California) | 5,339.90 mi (8,593.73 km) |
