| Potomac to Wibsey | 3,553.95 mi (5,719.53 km) |
| Potomac to Wick | 3,428.62 mi (5,517.83 km) |
| Potomac to Wickford | 3,690.26 mi (5,938.91 km) |
| Potomac to Widnes | 3,523.80 mi (5,671.01 km) |
| Potomac to Wigan | 3,524.25 mi (5,671.73 km) |
| Potomac to Wigston Magna | 3,604.32 mi (5,800.60 km) |
| Potomac to Willenhall | 3,565.49 mi (5,738.11 km) |
| Potomac to Wilmslow | 3,543.93 mi (5,703.40 km) |
| Potomac to Wilnecote | 3,580.72 mi (5,762.61 km) |
| Potomac to Wimbledon | 3,664.83 mi (5,897.98 km) |
| Potomac to Winchester | 3,627.55 mi (5,837.97 km) |
| Potomac to Windlesham | 3,647.72 mi (5,870.44 km) |
| Potomac to Windsor | 3,647.19 mi (5,869.58 km) |
| Potomac to Winkfield | 3,644.13 mi (5,864.66 km) |
| Potomac to Winsford | 3,535.23 mi (5,689.41 km) |
