| Portsmouth to Petersburg (Virginia) | 3,731.01 mi (6,004.48 km) |
| Portsmouth to Pflugerville (Texas) | 4,882.97 mi (7,858.39 km) |
| Portsmouth to Pharr (Texas) | 5,129.30 mi (8,254.82 km) |
| Portsmouth to Phelan (California) | 5,395.98 mi (8,683.99 km) |
| Portsmouth to Phenix City (Alabama) | 4,271.32 mi (6,874.03 km) |
| Portsmouth to Philadelphia (Pennsylvania) | 3,513.73 mi (5,654.79 km) |
| Portsmouth to Phillipsburg (New Jersey) | 3,486.59 mi (5,611.12 km) |
| Portsmouth to Phoenix (Arizona) | 5,259.50 mi (8,464.35 km) |
| Portsmouth to Phoenixville (Pennsylvania) | 3,524.22 mi (5,671.68 km) |
| Portsmouth to Picayune (Mississippi) | 4,558.32 mi (7,335.90 km) |
| Portsmouth to Pickerington (Ohio) | 3,830.99 mi (6,165.38 km) |
| Portsmouth to Pico Rivera (California) | 5,439.94 mi (8,754.74 km) |
| Portsmouth to Piedmont (California) | 5,352.13 mi (8,613.42 km) |
| Portsmouth to Pierre (South Dakota) | 4,283.55 mi (6,893.71 km) |
| Portsmouth to Pike Creek Valley (Delaware) | 3,549.14 mi (5,711.79 km) |
