| Mercer Island to Wetherby | 4,620.20 mi (7,435.49 km) |
| Mercer Island to Weybridge | 4,783.31 mi (7,697.99 km) |
| Mercer Island to Weymouth | 4,769.82 mi (7,676.29 km) |
| Mercer Island to Whickham | 4,558.41 mi (7,336.04 km) |
| Mercer Island to Whitburn | 4,459.01 mi (7,176.08 km) |
| Mercer Island to Whitby | 4,609.54 mi (7,418.34 km) |
| Mercer Island to Whitchurch | 4,724.40 mi (7,603.19 km) |
| Mercer Island to Whitchurch | 4,637.60 mi (7,463.50 km) |
| Mercer Island to Whitefield | 4,616.61 mi (7,429.71 km) |
| Mercer Island to Whitehaven | 4,530.36 mi (7,290.91 km) |
| Mercer Island to Whitley Bay | 4,558.82 mi (7,336.71 km) |
| Mercer Island to Whitnash | 4,705.83 mi (7,573.30 km) |
| Mercer Island to Whitstable | 4,822.12 mi (7,760.45 km) |
| Mercer Island to Whittlesey | 4,726.53 mi (7,606.62 km) |
| Mercer Island to Whitwick | 4,684.79 mi (7,539.45 km) |
