| Mercer Island to Wittstock | 4,986.97 mi (8,025.75 km) |
| Mercer Island to Witzenhausen | 5,037.81 mi (8,107.58 km) |
| Mercer Island to Wolfenbuttel | 5,004.63 mi (8,054.18 km) |
| Mercer Island to Wolfersheim | 5,069.20 mi (8,158.09 km) |
| Mercer Island to Wolfhagen | 5,023.59 mi (8,084.68 km) |
| Mercer Island to Wolfratshausen | 5,277.21 mi (8,492.85 km) |
| Mercer Island to Wolfsburg | 4,994.71 mi (8,038.20 km) |
| Mercer Island to Wolgast | 4,960.06 mi (7,982.45 km) |
| Mercer Island to Wolmirstedt | 5,023.13 mi (8,083.94 km) |
| Mercer Island to Wolnzach | 5,240.54 mi (8,433.83 km) |
| Mercer Island to Worms | 5,103.44 mi (8,213.19 km) |
| Mercer Island to Worpswede | 4,906.85 mi (7,896.81 km) |
| Mercer Island to Worth am Rhein | 5,134.83 mi (8,263.72 km) |
| Mercer Island to Wulfrath | 4,975.79 mi (8,007.76 km) |
| Mercer Island to Wunsiedel | 5,164.88 mi (8,312.07 km) |
