| Mountain Ash to Lydney | 36.57 mi (58.85 km) |
| Mountain Ash to Lye | 75.92 mi (122.19 km) |
| Mountain Ash to Lymington | 102.02 mi (164.18 km) |
| Mountain Ash to Lymm | 123.58 mi (198.89 km) |
| Mountain Ash to Mablethorpe | 191.22 mi (307.73 km) |
| Mountain Ash to Macclesfield | 120.46 mi (193.86 km) |
| Mountain Ash to Mackworth | 116.06 mi (186.77 km) |
| Mountain Ash to Madeley | 76.92 mi (123.79 km) |
| Mountain Ash to Maesteg | 12.61 mi (20.30 km) |
| Mountain Ash to Maghull | 128.16 mi (206.25 km) |
| Mountain Ash to Maidenhead | 114.75 mi (184.66 km) |
| Mountain Ash to Maidstone | 170.52 mi (274.43 km) |
| Mountain Ash to Maldon | 173.63 mi (279.43 km) |
| Mountain Ash to Maltby | 151.09 mi (243.16 km) |
| Mountain Ash to Manchester | 133.03 mi (214.10 km) |
