| Mountain Ash to Wymondham | 200.28 mi (322.32 km) |
| Mountain Ash to Wythenshawe | 127.14 mi (204.61 km) |
| Mountain Ash to Yate | 42.67 mi (68.67 km) |
| Mountain Ash to Yatton | 31.37 mi (50.49 km) |
| Mountain Ash to Yaxley | 144.49 mi (232.54 km) |
| Mountain Ash to Yeadon | 166.85 mi (268.52 km) |
| Mountain Ash to Yeovil | 60.12 mi (96.76 km) |
| Mountain Ash to Yiewsley | 125.35 mi (201.73 km) |
| Mountain Ash to York | 184.42 mi (296.80 km) |
| Mountain Ash to Ystrad Mynach | 6.54 mi (10.53 km) |
| Mountain Ash to Abbeville (Louisiana) | 4,573.16 mi (7,359.79 km) |
| Mountain Ash to Aberdeen (Maryland) | 3,465.42 mi (5,577.06 km) |
| Mountain Ash to Aberdeen (South Dakota) | 4,050.37 mi (6,518.44 km) |
| Mountain Ash to Aberdeen (Washington) | 4,763.47 mi (7,666.07 km) |
| Mountain Ash to Abilene (Texas) | 4,747.46 mi (7,640.30 km) |
