| Potomac to Wetherby | 3,566.14 mi (5,739.15 km) |
| Potomac to Weybridge | 3,656.15 mi (5,884.00 km) |
| Potomac to Weymouth | 3,589.51 mi (5,776.76 km) |
| Potomac to Whickham | 3,536.09 mi (5,690.79 km) |
| Potomac to Whitburn | 3,444.10 mi (5,542.75 km) |
| Potomac to Whitby | 3,585.08 mi (5,769.63 km) |
| Potomac to Whitchurch | 3,568.76 mi (5,743.37 km) |
| Potomac to Whitchurch | 3,533.02 mi (5,685.85 km) |
| Potomac to Whitefield | 3,537.26 mi (5,692.68 km) |
| Potomac to Whitehaven | 3,469.16 mi (5,583.08 km) |
| Potomac to Whitley Bay | 3,543.03 mi (5,701.96 km) |
| Potomac to Whitnash | 3,593.39 mi (5,783.00 km) |
| Potomac to Whitstable | 3,716.49 mi (5,981.11 km) |
| Potomac to Whittlesey | 3,643.36 mi (5,863.42 km) |
| Potomac to Whitwick | 3,590.57 mi (5,778.46 km) |
