| Port Talbot to Lydney | 55.27 mi (88.94 km) |
| Port Talbot to Lye | 93.36 mi (150.25 km) |
| Port Talbot to Lymington | 113.41 mi (182.51 km) |
| Port Talbot to Lymm | 135.81 mi (218.56 km) |
| Port Talbot to Mablethorpe | 209.30 mi (336.83 km) |
| Port Talbot to Macclesfield | 134.49 mi (216.44 km) |
| Port Talbot to Mackworth | 132.96 mi (213.97 km) |
| Port Talbot to Madeley | 92.25 mi (148.47 km) |
| Port Talbot to Maesteg | 6.52 mi (10.49 km) |
| Port Talbot to Maghull | 137.87 mi (221.88 km) |
| Port Talbot to Maidenhead | 132.43 mi (213.12 km) |
| Port Talbot to Maidstone | 187.68 mi (302.05 km) |
| Port Talbot to Maldon | 191.99 mi (308.97 km) |
| Port Talbot to Maltby | 167.11 mi (268.93 km) |
| Port Talbot to Manchester | 145.91 mi (234.82 km) |
