| Mercer Island to Warminster | 4,745.50 mi (7,637.15 km) |
| Mercer Island to Warrington | 4,617.62 mi (7,431.34 km) |
| Mercer Island to Warsop | 4,665.36 mi (7,508.17 km) |
| Mercer Island to Warwick | 4,703.44 mi (7,569.45 km) |
| Mercer Island to Washington | 4,564.69 mi (7,346.16 km) |
| Mercer Island to Waterlooville | 4,794.18 mi (7,715.48 km) |
| Mercer Island to Watford | 4,768.84 mi (7,674.70 km) |
| Mercer Island to Wath upon Dearne | 4,644.17 mi (7,474.08 km) |
| Mercer Island to Wealdstone | 4,773.66 mi (7,682.47 km) |
| Mercer Island to Wednesfield | 4,673.21 mi (7,520.80 km) |
| Mercer Island to Welling | 4,792.81 mi (7,713.28 km) |
| Mercer Island to Wellingborough | 4,726.18 mi (7,606.06 km) |
| Mercer Island to Wellington | 4,729.25 mi (7,610.99 km) |
| Mercer Island to Wellington | 4,656.36 mi (7,493.68 km) |
| Mercer Island to Wells | 4,732.64 mi (7,616.44 km) |
