| Mercer Island to Welwyn Garden City | 4,765.90 mi (7,669.98 km) |
| Mercer Island to Wembley | 4,776.99 mi (7,687.82 km) |
| Mercer Island to West Auckland | 4,573.92 mi (7,361.01 km) |
| Mercer Island to West Boldon | 4,564.28 mi (7,345.49 km) |
| Mercer Island to West Bridgford | 4,680.42 mi (7,532.40 km) |
| Mercer Island to West Bromwich | 4,679.87 mi (7,531.52 km) |
| Mercer Island to West Derby | 4,606.95 mi (7,414.17 km) |
| Mercer Island to West Drayton | 4,775.24 mi (7,685.01 km) |
| Mercer Island to West Ham | 4,786.05 mi (7,702.41 km) |
| Mercer Island to West Wickham | 4,793.96 mi (7,715.13 km) |
| Mercer Island to Westbury | 4,742.27 mi (7,631.95 km) |
| Mercer Island to Westhoughton | 4,610.76 mi (7,420.30 km) |
| Mercer Island to Westminster | 4,784.44 mi (7,699.81 km) |
| Mercer Island to Weston | 4,610.93 mi (7,420.57 km) |
| Mercer Island to Weston-super-Mare | 4,716.25 mi (7,590.07 km) |
