From Richmond, Greater London to all cities in East Sussex starting with letter M
- Magham Down, Greater London
- Mardens Hill, Greater London
- Maresfield, Greater London
- Maresfield Park, Greater London
- Mark Cross, Greater London
- Mark Cross, Greater London
- Mark Street, Greater London
- Marle Green, Greater London
- Marsh Green, Greater London
- Mayfield, Greater London
- Maynards Green, Greater London
- Meads, Greater London
- Mile Oak, Greater London
- Mill Corner, Greater London
- Millbrook, Greater London
- Milton Street, Greater London
- Motts Mill, Greater London
- Moulsecomb, Greater London
- Moulsecoomb, Greater London
- Mount Ephraim, Greater London
- Mount Pleasant, Greater London
- Mount Pleasant, Greater London
- Mountfield, Greater London
- Muddles Green, Greater London
- Mutton Hall, Greater London