| Portsmouth to The Villages (Florida) | 4,316.89 mi (6,947.36 km) |
| Portsmouth to The Woodlands (Texas) | 4,813.95 mi (7,747.30 km) |
| Portsmouth to Thibodaux (Louisiana) | 4,642.24 mi (7,470.97 km) |
| Portsmouth to Thomasville (Georgia) | 4,306.28 mi (6,930.30 km) |
| Portsmouth to Thomasville (North Carolina) | 3,903.50 mi (6,282.07 km) |
| Portsmouth to Thonotosassa (Florida) | 4,371.97 mi (7,036.01 km) |
| Portsmouth to Thornton (Colorado) | 4,669.90 mi (7,515.48 km) |
| Portsmouth to Thousand Oaks (California) | 5,454.28 mi (8,777.81 km) |
| Portsmouth to Three Lakes (Florida) | 4,410.26 mi (7,097.63 km) |
| Portsmouth to Tiffin (Ohio) | 3,792.61 mi (6,103.62 km) |
| Portsmouth to Tifton (Georgia) | 4,256.75 mi (6,850.58 km) |
| Portsmouth to Tigard (Oregon) | 4,933.09 mi (7,939.04 km) |
| Portsmouth to Tillmans Corner (Alabama) | 4,495.59 mi (7,234.95 km) |
| Portsmouth to Timberlake (Virginia) | 3,803.21 mi (6,120.68 km) |
| Portsmouth to Timberlane (Louisiana) | 4,605.78 mi (7,412.28 km) |
