| Mercer Island to Waregem | 4,909.68 mi (7,901.36 km) |
| Mercer Island to Waremme | 4,966.41 mi (7,992.66 km) |
| Mercer Island to Waterloo | 4,943.67 mi (7,956.07 km) |
| Mercer Island to Wavre | 4,949.07 mi (7,964.77 km) |
| Mercer Island to Welkenraedt | 4,986.08 mi (8,024.32 km) |
| Mercer Island to Wemmel | 4,930.25 mi (7,934.48 km) |
| Mercer Island to Wervik | 4,906.24 mi (7,895.84 km) |
| Mercer Island to Westerlo | 4,936.07 mi (7,943.84 km) |
| Mercer Island to Wetteren | 4,915.13 mi (7,910.14 km) |
| Mercer Island to Wevelgem | 4,908.31 mi (7,899.16 km) |
| Mercer Island to Wezembeek-Oppem | 4,939.96 mi (7,950.10 km) |
| Mercer Island to Wichelen | 4,917.22 mi (7,913.50 km) |
| Mercer Island to Wielsbeke | 4,907.34 mi (7,897.61 km) |
| Mercer Island to Wijnegem | 4,918.09 mi (7,914.91 km) |
| Mercer Island to Willebroek | 4,923.41 mi (7,923.47 km) |
