Latitude and Longitude of Important Cities in United Kingdom starting with 'M'
| Locations | Latitude | Longitude |
| Mablethorpe | 53°20'N | 0°15'E |
| Macclesfied | 53°15'N | 02°08'W |
| Macduff | 57°40'N | 02°31'W |
| Machynlleth | 52°35'N | 03°50'W |
| Maesteg | 51°36'N | 03°40'W |
| Magherafelt | 54°45'N | 06°37'W |
| Maidenhead | 513°31'N | 0°42'W |
| Maidstone | 51°16'N | 0°32'E |
| Main | 54°48'N | 06°18'W |
| Mainland, Orkney | 58°59'N | 03°08'W |
| Mainland, Shet. | 60°15'N | 01°22'W |
| Malton | 54°08'N | 0°49'W |
| Malvern Hills | 52°0'N | 02°19'W |
| Man I.of | 54°15'N | 04°30'W |
| Manchester | 53°29'N | 02°12'W |
| Mansfield | 53°09'N | 01°11'W |
| March | 52°33'N | 0°05'E |
| Maree L. | 57°40'N | 05°26'W |
| Market Drayton | 52°54'N | 02°29'W |
| Marlborough | 51°25'N | 01°43'W |
| Marlborough Downs | 51°27'N | 01°53'W |
| Maryport | 54°44'N | 03°28'W |
| Matlock | 53°09'N | 01°33'W |
| Maughold Hd. | 24°50'N | 81°55'E |
| Maybole | 55°21'N | 04°42'W |
| Medway | 51°25'N | 0°32'E |
| Medway | 51°27'N | 0°46'E |
| Melrose | 55°36'N | 02°43'W |
| Melton Mowbray | 52°47'N | 0°54'W |
| Menai Strait | 53°11'N | 04°13'W |
| Mendip Hills | 51°17'N | 02°40'W |
| Mere | 51°06'N | 02°16'W |
| Meriden | 52°26'N | 01°38'W |
| Merrick | 55°08'N | 04°28'W |
| Mersea I. | 51°47'N | 0°58'E |
| Mersey | 53°25'N | 03°01'W |
| Merseyside | 53°31'N | 3°02'W |
| Merthyr Tydfil | 51°45'N | 03°22'W |
| Merthyr Tydfil | 51°46'N | 03°21'W |
| Middlesbrough | 54°35'N | 01°13'W |
| Middlesbrough | 54°28'N | 01°13'W |
| Meddletown | 54°17'N | 06°51'W |
| Midhurst | 50°59'N | 0°44'W |
| Midlothisn | 55°51'N | 03°05'W |
| Mildenhall | 52°21'N | 0°32'E |
| Milford Haven | 51°42'N | 05°07'W |
| Millom | 54°13M | 0°16'W |
| Milton Keynes | 52°01'N | 0°44'W |
| Minehead | 51°12'N | 03°29'W |
| Mineola N.Y. | 40°45M | 73°39'W |
| Moffat | 55°21'N | 03°27'W |
| Moidart L. | 56°47'N | 05°52'W |
| Mold | 53°09'N | 03°08'W |
| Mole | 51°24'N | 0°21'W |
| Monadhiliath Mts. | 57°10'N | 04°04'W |
| Monar L. | 57°26'N | 05°08'W |
| Moneymore | 54°41'N | 06°40'W |
| Monifieth | 56°30'N | 02°48'W |
| Monmouth | 51°48'N | 02°42'W |
| Monmouthshire | 5148'N | 02°54'W |
| Montgomery | 52°34'N | 03°08'W |
| Montrose | 56°44'N | 02°27'W |
| Moorfoot Hills | 55°44'N | 03°08'W |
| Morar L. | 56°57'N | 05°40'W |
| Moray | 57°31'N | 03°18'W |
| Moray Firth | 57°40'N | 03°52'W |
| Morecambe | 54°05'N | 02°52'W |
| Morecambe B. | 54°07'N | 03°0'W |
| Morpeth | 55°10'N | 01°41'W |
| Morven | 56°38'N | 05°44'W |
| Motherwell | 55°47'N | 03°58'W |
| Mountain Ash | 51°40'N | 03°23'W |
| Mourne | 54°52'N | 07°26'W |
| Mourne Mts. | 54°10'N | 06°0'W |
| Muck | 56°50'N | 06°15'W |
| Mull | 56°25'N | 05°56'W |
| Mull Sound of | 56°30'N | 05°50'W |
| Musselburgh | 55°57'N | 03°02'W |
| Mynydd Du. | 51°52'N | 03°50'W |
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