| Potomac to Willich | 3,941.23 mi (6,342.80 km) |
| Potomac to Willstatt | 4,072.97 mi (6,554.81 km) |
| Potomac to Wilnsdorf | 4,015.31 mi (6,462.02 km) |
| Potomac to Wilsdruff | 4,221.35 mi (6,793.60 km) |
| Potomac to Winnenden | 4,124.62 mi (6,637.93 km) |
| Potomac to Winsen | 4,025.18 mi (6,477.90 km) |
| Potomac to Winterberg | 4,020.96 mi (6,471.11 km) |
| Potomac to Wipperfurth | 3,979.07 mi (6,403.69 km) |
| Potomac to Wismar | 4,056.62 mi (6,528.50 km) |
| Potomac to Witten | 3,967.70 mi (6,385.40 km) |
| Potomac to Wittenberg | 4,161.68 mi (6,697.57 km) |
| Potomac to Wittenberge | 4,093.44 mi (6,587.76 km) |
| Potomac to Wittingen | 4,063.31 mi (6,539.27 km) |
| Potomac to Wittlich | 3,990.05 mi (6,421.37 km) |
| Potomac to Wittmund | 3,927.46 mi (6,320.64 km) |
