| Mercer Island to Walcz | 5,060.54 mi (8,144.15 km) |
| Mercer Island to Warka | 5,240.07 mi (8,433.07 km) |
| Mercer Island to Warsaw | 5,208.66 mi (8,382.52 km) |
| Mercer Island to Wasilkow | 5,184.46 mi (8,343.59 km) |
| Mercer Island to Wegorzewo | 5,096.47 mi (8,201.98 km) |
| Mercer Island to Wegrow | 5,215.47 mi (8,393.48 km) |
| Mercer Island to Wejherowo | 5,011.83 mi (8,065.76 km) |
| Mercer Island to Wieliczka | 5,331.91 mi (8,580.88 km) |
| Mercer Island to Wielun | 5,226.86 mi (8,411.82 km) |
| Mercer Island to Wieruszow | 5,213.91 mi (8,390.97 km) |
| Mercer Island to Wisla | 5,329.71 mi (8,577.34 km) |
| Mercer Island to Wladyslawowo | 5,002.18 mi (8,050.23 km) |
| Mercer Island to Wloclawek | 5,146.86 mi (8,283.08 km) |
| Mercer Island to Wlodawa | 5,295.34 mi (8,522.02 km) |
| Mercer Island to Wloszczowa | 5,275.95 mi (8,490.82 km) |
