| Cwmbran to March | 145.79 mi (234.63 km) |
| Cwmbran to Margate | 190.25 mi (306.18 km) |
| Cwmbran to Market Drayton | 89.38 mi (143.85 km) |
| Cwmbran to Market Harborough | 105.85 mi (170.34 km) |
| Cwmbran to Marlow | 96.32 mi (155.01 km) |
| Cwmbran to Marple | 127.07 mi (204.51 km) |
| Cwmbran to Marton | 213.03 mi (342.84 km) |
| Cwmbran to Maryport | 212.31 mi (341.68 km) |
| Cwmbran to Matlock | 120.00 mi (193.13 km) |
| Cwmbran to Melksham | 42.68 mi (68.68 km) |
| Cwmbran to Meltham | 142.69 mi (229.63 km) |
| Cwmbran to Melton Mowbray | 118.67 mi (190.99 km) |
| Cwmbran to Merthyr Tudful | 16.50 mi (26.56 km) |
| Cwmbran to Methil | 313.09 mi (503.87 km) |
| Cwmbran to Mexborough | 146.95 mi (236.49 km) |
