| Merthyr Tudful to Wick | 463.82 mi (746.45 km) |
| Merthyr Tudful to Wickford | 167.26 mi (269.19 km) |
| Merthyr Tudful to Widnes | 115.21 mi (185.42 km) |
| Merthyr Tudful to Wigan | 128.36 mi (206.58 km) |
| Merthyr Tudful to Wigston Magna | 112.83 mi (181.59 km) |
| Merthyr Tudful to Willenhall | 80.38 mi (129.36 km) |
| Merthyr Tudful to Wilmslow | 119.32 mi (192.03 km) |
| Merthyr Tudful to Wilnecote | 93.93 mi (151.17 km) |
| Merthyr Tudful to Wimbledon | 137.88 mi (221.90 km) |
| Merthyr Tudful to Winchester | 100.83 mi (162.26 km) |
| Merthyr Tudful to Windlesham | 119.73 mi (192.68 km) |
| Merthyr Tudful to Windsor | 120.17 mi (193.40 km) |
| Merthyr Tudful to Winkfield | 116.55 mi (187.56 km) |
| Merthyr Tudful to Winsford | 106.56 mi (171.49 km) |
| Merthyr Tudful to Wisbech | 162.75 mi (261.92 km) |
