| Potomac to Wetter (Ruhr) | 3,971.38 mi (6,391.32 km) |
| Potomac to Wetzlar | 4,038.40 mi (6,499.17 km) |
| Potomac to Weyhe | 3,984.68 mi (6,412.72 km) |
| Potomac to Wickede | 3,986.97 mi (6,416.41 km) |
| Potomac to Wiefelstede | 3,948.67 mi (6,354.77 km) |
| Potomac to Wiehl | 3,989.00 mi (6,419.68 km) |
| Potomac to Wiesbaden | 4,041.93 mi (6,504.86 km) |
| Potomac to Wiesloch | 4,083.57 mi (6,571.86 km) |
| Potomac to Wiesmoor | 3,930.27 mi (6,325.17 km) |
| Potomac to Wietmarschen | 3,930.17 mi (6,324.99 km) |
| Potomac to Wildau | 4,185.09 mi (6,735.25 km) |
| Potomac to Wildberg | 4,105.59 mi (6,607.31 km) |
| Potomac to Wildeshausen | 3,970.42 mi (6,389.77 km) |
| Potomac to Wilhelmshaven | 3,941.01 mi (6,342.44 km) |
| Potomac to Wilkau-Hasslau | 4,193.91 mi (6,749.45 km) |
