| Portsmouth to Worthington (Ohio) | 3,831.90 mi (6,166.85 km) |
| Portsmouth to Wright (Florida) | 4,437.13 mi (7,140.87 km) |
| Portsmouth to Wyandanch (New York) | 3,408.72 mi (5,485.80 km) |
| Portsmouth to Wyandotte (Michigan) | 3,743.24 mi (6,024.16 km) |
| Portsmouth to Wylie (Texas) | 4,707.81 mi (7,576.50 km) |
| Portsmouth to Wyndham (Virginia) | 3,718.32 mi (5,984.05 km) |
| Portsmouth to Wyoming (Michigan) | 3,813.10 mi (6,136.60 km) |
| Portsmouth to Wyomissing (Pennsylvania) | 3,534.41 mi (5,688.08 km) |
| Portsmouth to Xenia (Ohio) | 3,887.44 mi (6,256.23 km) |
| Portsmouth to Yakima (Washington) | 4,805.25 mi (7,733.30 km) |
| Portsmouth to Yankton (South Dakota) | 4,251.69 mi (6,842.43 km) |
| Portsmouth to Yauco (Puerto Rico) | 4,207.02 mi (6,770.55 km) |
| Portsmouth to Yazoo City (Mississippi) | 4,472.65 mi (7,198.04 km) |
| Portsmouth to Yeadon (Pennsylvania) | 3,521.88 mi (5,667.92 km) |
| Portsmouth to Yelm (Washington) | 4,842.70 mi (7,793.58 km) |
