| Porthcawl to Mexborough | 172.37 mi (277.40 km) |
| Porthcawl to Mickleover | 133.56 mi (214.94 km) |
| Porthcawl to Middlesbrough | 236.99 mi (381.40 km) |
| Porthcawl to Middleton | 156.67 mi (252.13 km) |
| Porthcawl to Middlewich | 129.47 mi (208.36 km) |
| Porthcawl to Midsomer Norton | 53.83 mi (86.63 km) |
| Porthcawl to Mildenhall | 188.64 mi (303.58 km) |
| Porthcawl to Milford Haven | 60.27 mi (96.99 km) |
| Porthcawl to Mill Hill | 148.96 mi (239.72 km) |
| Porthcawl to Milngavie | 309.35 mi (497.85 km) |
| Porthcawl to Milnrow | 161.43 mi (259.79 km) |
| Porthcawl to Milton | 126.69 mi (203.89 km) |
| Porthcawl to Milton Keynes | 131.13 mi (211.03 km) |
| Porthcawl to Minehead | 21.24 mi (34.19 km) |
| Porthcawl to Minster | 193.73 mi (311.78 km) |
