| Mercer Island to Wisbech | 4,728.22 mi (7,609.33 km) |
| Mercer Island to Wishaw | 4,457.69 mi (7,173.96 km) |
| Mercer Island to Witham | 4,787.98 mi (7,705.51 km) |
| Mercer Island to Witney | 4,733.07 mi (7,617.15 km) |
| Mercer Island to Woking | 4,784.14 mi (7,699.33 km) |
| Mercer Island to Wokingham | 4,770.43 mi (7,677.26 km) |
| Mercer Island to Wollaston | 4,678.38 mi (7,529.13 km) |
| Mercer Island to Wolverhampton | 4,672.75 mi (7,520.07 km) |
| Mercer Island to Wolverton | 4,735.76 mi (7,621.47 km) |
| Mercer Island to Wombourn | 4,674.21 mi (7,522.41 km) |
| Mercer Island to Wombwell | 4,641.89 mi (7,470.40 km) |
| Mercer Island to Wooburn | 4,765.08 mi (7,668.65 km) |
| Mercer Island to Wood Green | 4,779.32 mi (7,691.58 km) |
| Mercer Island to Woodhouse | 4,651.08 mi (7,485.19 km) |
| Mercer Island to Woodlesford | 4,627.60 mi (7,447.40 km) |
