| Mountain Ash to Wallington | 140.94 mi (226.82 km) |
| Mountain Ash to Wallsend | 240.99 mi (387.83 km) |
| Mountain Ash to Walsall | 85.88 mi (138.22 km) |
| Mountain Ash to Walsall Wood | 89.71 mi (144.37 km) |
| Mountain Ash to Waltham Abbey | 144.76 mi (232.98 km) |
| Mountain Ash to Waltham Cross | 143.33 mi (230.66 km) |
| Mountain Ash to Walthamstow | 144.16 mi (232.01 km) |
| Mountain Ash to Walton upon Thames | 129.08 mi (207.73 km) |
| Mountain Ash to Walton-on-the-Naze | 199.02 mi (320.29 km) |
| Mountain Ash to Wandsworth | 137.76 mi (221.70 km) |
| Mountain Ash to Wanstead | 146.32 mi (235.48 km) |
| Mountain Ash to Wantage | 83.96 mi (135.12 km) |
| Mountain Ash to Ware | 143.48 mi (230.91 km) |
| Mountain Ash to Warfield | 114.68 mi (184.57 km) |
| Mountain Ash to Warminster | 61.20 mi (98.50 km) |
