| Portsmouth to Wichita (Kansas) | 4,505.45 mi (7,250.82 km) |
| Portsmouth to Wichita Falls (Texas) | 4,741.80 mi (7,631.19 km) |
| Portsmouth to Wickliffe (Ohio) | 3,702.65 mi (5,958.85 km) |
| Portsmouth to Wildomar (California) | 5,433.51 mi (8,744.39 km) |
| Portsmouth to Wildwood (Florida) | 4,323.98 mi (6,958.78 km) |
| Portsmouth to Wildwood (Missouri) | 4,205.23 mi (6,767.66 km) |
| Portsmouth to Wilkes-Barre (Pennsylvania) | 3,491.48 mi (5,619.00 km) |
| Portsmouth to Wilkinsburg (Pennsylvania) | 3,689.30 mi (5,937.35 km) |
| Portsmouth to Williamsburg (Virginia) | 3,699.51 mi (5,953.79 km) |
| Portsmouth to Williamsport (Pennsylvania) | 3,539.32 mi (5,695.98 km) |
| Portsmouth to Williamstown (New Jersey) | 3,521.06 mi (5,666.59 km) |
| Portsmouth to Willimantic (Connecticut) | 3,320.69 mi (5,344.14 km) |
| Portsmouth to Williston (North Dakota) | 4,209.17 mi (6,774.01 km) |
| Portsmouth to Willmar (Minnesota) | 4,061.40 mi (6,536.18 km) |
| Portsmouth to Willoughby (Ohio) | 3,698.54 mi (5,952.22 km) |
