| Mercer Island to Wadenswil | 5,251.35 mi (8,451.23 km) |
| Mercer Island to Wald | 5,254.97 mi (8,457.06 km) |
| Mercer Island to Wallisellen | 5,238.95 mi (8,431.27 km) |
| Mercer Island to Waltikon | 5,241.46 mi (8,435.31 km) |
| Mercer Island to Wattwil | 5,257.90 mi (8,461.78 km) |
| Mercer Island to Weinfelden | 5,242.46 mi (8,436.92 km) |
| Mercer Island to Wettingen | 5,229.30 mi (8,415.75 km) |
| Mercer Island to Wetzikon | 5,249.73 mi (8,448.62 km) |
| Mercer Island to Widnau | 5,265.15 mi (8,473.45 km) |
| Mercer Island to Wil | 5,247.02 mi (8,444.26 km) |
| Mercer Island to Winterthur | 5,237.26 mi (8,428.56 km) |
| Mercer Island to Wittenbach | 5,255.04 mi (8,457.18 km) |
| Mercer Island to Wohlen | 5,234.85 mi (8,424.68 km) |
| Mercer Island to Worb | 5,241.59 mi (8,435.52 km) |
| Mercer Island to Wulflingen | 5,235.49 mi (8,425.71 km) |
