| Halfway to Wallingford | 3,620.05 mi (5,825.91 km) |
| Halfway to Wallington | 3,665.39 mi (5,898.88 km) |
| Halfway to Wallsend | 3,533.46 mi (5,686.55 km) |
| Halfway to Walsall | 3,564.34 mi (5,736.25 km) |
| Halfway to Walsall Wood | 3,565.34 mi (5,737.86 km) |
| Halfway to Waltham Abbey | 3,663.67 mi (5,896.11 km) |
| Halfway to Waltham Cross | 3,662.28 mi (5,893.88 km) |
| Halfway to Walthamstow | 3,665.13 mi (5,898.46 km) |
| Halfway to Walton upon Thames | 3,653.79 mi (5,880.20 km) |
| Halfway to Walton-on-the-Naze | 3,710.80 mi (5,971.95 km) |
| Halfway to Wandsworth | 3,661.20 mi (5,892.13 km) |
| Halfway to Wanstead | 3,667.28 mi (5,901.92 km) |
| Halfway to Wantage | 3,608.01 mi (5,806.52 km) |
| Halfway to Ware | 3,659.47 mi (5,889.36 km) |
| Halfway to Warfield | 3,639.36 mi (5,856.99 km) |
