| Mountain Ash to Wembley | 132.48 mi (213.20 km) |
| Mountain Ash to West Auckland | 215.10 mi (346.17 km) |
| Mountain Ash to West Boldon | 239.24 mi (385.02 km) |
| Mountain Ash to West Bridgford | 128.52 mi (206.83 km) |
| Mountain Ash to West Bromwich | 82.46 mi (132.71 km) |
| Mountain Ash to West Derby | 122.69 mi (197.45 km) |
| Mountain Ash to West Drayton | 125.69 mi (202.29 km) |
| Mountain Ash to West Ham | 145.69 mi (234.46 km) |
| Mountain Ash to West Wickham | 145.94 mi (234.86 km) |
| Mountain Ash to Westbury | 58.85 mi (94.70 km) |
| Mountain Ash to Westhoughton | 133.87 mi (215.45 km) |
| Mountain Ash to Westminster | 139.84 mi (225.05 km) |
| Mountain Ash to Weston | 122.11 mi (196.51 km) |
| Mountain Ash to Weston-super-Mare | 28.92 mi (46.54 km) |
| Mountain Ash to Wetherby | 176.14 mi (283.47 km) |
