| Mercer Island to Yverdon-les-Bains | 5,226.95 mi (8,411.96 km) |
| Mercer Island to Zofingen | 5,230.23 mi (8,417.24 km) |
| Mercer Island to Zollikon | 5,242.77 mi (8,437.43 km) |
| Mercer Island to Zuchwil | 5,225.42 mi (8,409.50 km) |
| Mercer Island to Zug | 5,251.48 mi (8,451.44 km) |
| Mercer Island to Zurich | 5,239.96 mi (8,432.91 km) |
| Mercer Island to Ra's al `Ayn | 6,502.67 mi (10,465.03 km) |
| Mercer Island to Tall Abyad | 6,499.92 mi (10,460.61 km) |
| Mercer Island to Acarlar | 6,253.26 mi (10,063.65 km) |
| Mercer Island to Acigol | 6,316.89 mi (10,166.05 km) |
| Mercer Island to Acipayam | 6,308.50 mi (10,152.55 km) |
| Mercer Island to Adakli | 6,346.12 mi (10,213.10 km) |
| Mercer Island to Adana | 6,431.76 mi (10,350.91 km) |
| Mercer Island to Adilcevaz | 6,397.84 mi (10,296.33 km) |
| Mercer Island to Adiyaman | 6,419.79 mi (10,331.66 km) |
