From Dunfield, Gloucestershire to all cities in Mid Glamorgan starting with letter M
- Maerdy, Gloucestershire
- Maesteg, Gloucestershire
- Maesycoed, Gloucestershire
- Mawdlam, Gloucestershire
- Merthyr Mawr, Gloucestershire
- Merthyr Tydfil, Gloucestershire
- Merthyr Vale, Gloucestershire
- Miskin, Gloucestershire
- Miskin, Gloucestershire
- Morgan Town, Gloucestershire
- Morlais Castle, Gloucestershire
- Mount Pleasant, Gloucestershire
- Mountain Ash, Gloucestershire
- Mountain Hare, Gloucestershire
- Mwyndy, Gloucestershire
- Mynachdy, Gloucestershire