| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Machery | city | France | 48.60 | 2.09 | 344 | 18753 | |
| Maffliers | city | France | 49.08 | 2.31 | 403 | 38012 | |
| Magnanville | city | France | 48.97 | 1.68 | 410 | 83257 | |
| Magneio | city | France | 48.74 | 2.06 | 830 | 116861 | |
| Magnitot | city | France | 49.17 | 1.74 | 830 | 4720 | |
| Magny | city | France | 49.16 | 1.79 | 265 | 9009 | |
| Magny | city | France | 48.74 | 2.06 | 830 | 116861 | |
| Magny-en-Vexin | city | France | 49.16 | 1.79 | 265 | 9009 | |
| Magny-l'Essart | city | France | 48.74 | 2.06 | 830 | 116861 | |
| Magny-les-Hameaux | city | France | 48.74 | 2.06 | 830 | 116861 | |
| Maincourt | city | France | 48.72 | 1.97 | 347 | 38216 | |
| Maincourt-sur-Yvette | city | France | 48.72 | 1.97 | 347 | 38216 | |
| Mainguerin | city | France | 48.54 | 1.85 | 830 | 4865 | |
| Mainville | city | France | 48.68 | 2.43 | 272 | 214353 | |
| Maison Neuve | city | France | 48.58 | 2.30 | 269 | 87345 | |
| Maisons-Laffitte | city | France | 48.95 | 2.15 | 85 | 208955 | |
| Maisse | city | France | 48.40 | 2.38 | 213 | 8579 | |
| Malabry | city | France | 48.77 | 2.26 | 341 | 406910 | |
| Malakoff | city | France | 48.82 | 2.30 | 246 | 1176432 | |
| Malassis | city | France | 48.63 | 2.05 | 830 | 17121 | |
| Malmaison | city | France | 48.39 | 2.13 | 416 | 18671 | |
| Mandres | city | France | 48.70 | 2.55 | 301 | 125002 | |
| Mandres-les-Roses | city | France | 48.70 | 2.55 | 301 | 125002 | |
| Mantes | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Mantes-Gassicourt | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Mantes-Sur-Seine | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Mantes-la-Jolie | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Mantes-la-Ville | city | France | 48.97 | 1.70 | 108 | 93804 | |
| Marchais | city | France | 48.45 | 2.39 | 830 | 13186 | |
| Marchais | city | France | 48.52 | 2.05 | 830 | 9848 | |
| Marchais-Parfond | city | France | 48.54 | 1.79 | 830 | 4973 | |
| Marche de Rungis | city | France | 48.75 | 2.35 | 282 | 367293 | |
| Marcoussis | city | France | 48.64 | 2.24 | 236 | 74477 | |
| Marcq | city | France | 48.86 | 1.83 | 410 | 16756 | |
| Mareil | city | France | 48.79 | 1.85 | 295 | 22413 | |
| Mareil | city | France | 48.90 | 1.87 | 324 | 25060 | |
| Mareil | city | France | 49.07 | 2.43 | 396 | 29190 | |
| Mareil | city | France | 48.88 | 2.07 | 226 | 113251 | |
| Mareil-Marly | city | France | 48.88 | 2.07 | 226 | 113251 | |
| Mareil-en-France | city | France | 49.07 | 2.43 | 396 | 29190 | |
| Mareil-le-Guyon | city | France | 48.79 | 1.85 | 295 | 22413 | |
| Mareil-sur-Mauldre | city | France | 48.90 | 1.87 | 324 | 25060 | |
| Margency | city | France | 49.00 | 2.30 | 278 | 263662 | |
| Marines | city | France | 49.14 | 1.98 | 383 | 8349 | |
| Marly | city | France | 48.87 | 2.08 | 830 | 132238 | |
| Marly | city | France | 49.08 | 2.50 | 830 | 42781 | |
| Marly-la-Ville | city | France | 49.08 | 2.50 | 830 | 42781 | |
| Marly-le-Roi | city | France | 48.87 | 2.08 | 830 | 132238 | |
| Marnes | city | France | 48.83 | 2.17 | 410 | 336218 | |
| Marnes-la-Coquette | city | France | 48.83 | 2.17 | 410 | 336218 | |
| Marolles | city | France | 48.73 | 2.55 | 246 | 115319 | |
| Marolles | city | France | 48.37 | 2.20 | 830 | 6985 | |
| Marolles | city | France | 48.56 | 2.30 | 265 | 53722 | |
| Marolles-en-Beauce | city | France | 48.37 | 2.20 | 830 | 6985 | |
| Marolles-en-Brie | city | France | 48.73 | 2.55 | 246 | 115319 | |
| Marolles-en-Hurepoix | city | France | 48.56 | 2.30 | 265 | 53722 | |
| Massy | city | France | 48.73 | 2.28 | 272 | 269733 | |
| Mauchamps | city | France | 48.53 | 2.19 | 830 | 25333 | |
| Maudétour | city | France | 49.10 | 1.78 | 830 | 4619 | |
| Maudétour-en-Vexin | city | France | 49.10 | 1.78 | 830 | 4619 | |
| Maule | city | France | 48.91 | 1.85 | 131 | 29670 | |
| Maulette | city | France | 48.79 | 1.62 | 318 | 9530 | |
| Maurecourt | city | France | 49.00 | 2.06 | 75 | 191661 | |
| Maurepas | city | France | 48.76 | 1.93 | 830 | 97162 | |
| Mauriliacum | city | France | 48.40 | 2.47 | 213 | 8464 | |
| Mauzaise | city | France | 48.68 | 1.63 | 830 | 3956 | |
| Mauzaize | city | France | 48.68 | 1.63 | 830 | 3956 | |
| Maðante | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Medanta | city | France | 48.99 | 1.71 | 114 | 95169 | |
| Menainville | city | France | 48.55 | 1.84 | 830 | 4976 | |
| Menerville | city | France | 48.95 | 1.60 | 830 | 8866 | |
| Mennecy | city | France | 48.57 | 2.44 | 278 | 96932 | |
| Menucourt | city | France | 49.03 | 1.98 | 830 | 85516 | |
| Mere | city | France | 49.10 | 1.71 | 830 | 4811 | |
| Mere | city | France | 48.78 | 1.81 | 377 | 14553 | |
| Mereville | city | France | 48.31 | 2.09 | 367 | 5974 | |
| Meriel | city | France | 49.08 | 2.21 | 298 | 59360 | |
| Mesnil Sevin | city | France | 48.72 | 1.99 | 830 | 56366 | |
| Mesnil-Aubry | city | France | 49.05 | 2.40 | 364 | 65393 | |
| Mesnil-Racoin | city | France | 48.46 | 2.26 | 830 | 6461 | |
| Mesnuls | city | France | 48.76 | 1.84 | 830 | 17536 | |
| Mespuits | city | France | 48.36 | 2.27 | 406 | 1880 | |
| Meudon | city | France | 48.81 | 2.23 | 236 | 659798 | |
| Meulan | city | France | 49.01 | 1.91 | 65 | 62920 | |
| Meulan-en-Yvelines | city | France | 49.01 | 1.91 | 65 | 62920 | |
| Mezieres | city | France | 48.36 | 2.43 | 393 | 5821 | |
| Mezieres-sur-Seine | city | France | 48.96 | 1.79 | 311 | 40992 | |
| Mezy | city | France | 49.00 | 1.89 | 65 | 62425 | |
| Millemont | city | France | 48.81 | 1.74 | 830 | 9570 | |
| Milly | city | France | 48.40 | 2.47 | 213 | 8464 | |
| Milly-la-Forêt | city | France | 48.40 | 2.47 | 213 | 8464 | |
| Milon | city | France | 48.73 | 2.05 | 295 | 87567 | |
| Milon-la-Chapelle | city | France | 48.73 | 2.05 | 295 | 87567 | |
| Mirbel | city | France | 48.92 | 1.56 | 830 | 6925 | |
| Mirgaudon | city | France | 48.55 | 2.13 | 830 | 17514 | |
| Mittainville | city | France | 48.67 | 1.65 | 830 | 4044 | |
| Moc-Souris | city | France | 48.70 | 2.07 | 830 | 47339 | |
| Moigny | city | France | 48.43 | 2.46 | 229 | 8949 | |
| Moisselles | city | France | 49.05 | 2.34 | 288 | 65447 | |
| Moisson | city | France | 49.07 | 1.67 | 55 | 6210 | |
| Moldonium | city | France | 48.81 | 2.23 | 236 | 659798 | |
| Mondesir | city | France | 48.37 | 2.08 | 830 | 5439 | |
| Mondeville | city | France | 48.49 | 2.42 | 830 | 15894 | |
| Mondreville | city | France | 48.90 | 1.55 | 830 | 6424 | |
| Mondétour | city | France | 48.68 | 2.18 | 830 | 94082 | |
| Mondétour | city | France | 48.52 | 2.07 | 830 | 9032 | |
| Monnerville | city | France | 48.35 | 2.04 | 830 | 7172 | |
| Mons Lehericus | city | France | 48.64 | 2.27 | 239 | 120264 | |
| Monsoult | city | France | 49.07 | 2.32 | 344 | 46050 | |
| Montainville | city | France | 48.88 | 1.86 | 177 | 22130 | |
| Montalet | city | France | 49.05 | 1.83 | 410 | 14129 | |
| Montalet-le-Bois | city | France | 49.05 | 1.83 | 410 | 14129 | |
| Montaniacum | city | France | 48.77 | 2.03 | 830 | 140267 | |
| Montceaux | city | France | 48.56 | 2.48 | 262 | 64515 | |
| Montchauvet | city | France | 48.89 | 1.63 | 337 | 6204 | |
| Monteloup | city | France | 48.59 | 2.15 | 219 | 26546 | |
| Montesson | city | France | 48.91 | 2.14 | 180 | 258669 | |
| Montfermeil | city | France | 48.90 | 2.58 | 255 | 282879 | |
| Montflix | city | France | 48.51 | 2.11 | 318 | 7806 | |
| Montfort | city | France | 48.77 | 1.81 | 344 | 12875 | |
| Montfort-l'Amaury | city | France | 48.77 | 1.81 | 344 | 12875 | |
| Montfort-l’Amaury | city | France | 48.77 | 1.81 | 344 | 12875 | |
| Montgeron | city | France | 48.71 | 2.45 | 246 | 201562 | |
| Montgeroult | city | France | 49.08 | 2.01 | 226 | 56937 | |
| Montigny | city | France | 48.98 | 2.20 | 830 | 318519 | |
| Montigny | city | France | 48.77 | 2.03 | 830 | 140267 | |
| Montigny-le-Bretonneux | city | France | 48.77 | 2.03 | 830 | 140267 | |
| Montigny-les-Cormeilles | city | France | 48.98 | 2.20 | 830 | 318519 | |
| Montjay | city | France | 48.68 | 2.16 | 830 | 90040 | |
| Montlhéry | city | France | 48.64 | 2.27 | 239 | 120264 | |
| Montlignon | city | France | 49.01 | 2.29 | 321 | 274988 | |
| Montmagny | city | France | 48.97 | 2.35 | 229 | 437348 | |
| Montmirault | city | France | 48.48 | 2.33 | 183 | 21712 | |
| Montmorency | city | France | 48.99 | 2.34 | 203 | 367082 | |
| Montreau | city | France | 48.31 | 2.05 | 830 | 6392 | |
| Montreuil | city | France | 49.18 | 1.69 | 830 | 4833 | |
| Montreuil | city | France | 48.86 | 2.44 | 324 | 964883 | |
| Montreuil-sous-Bois | city | France | 48.86 | 2.44 | 324 | 964883 | |
| Montreuil-sur-Epte | city | France | 49.18 | 1.69 | 830 | 4833 | |
| Montrouge | city | France | 48.82 | 2.31 | 259 | 1200347 | |
| Montsoult | city | France | 49.07 | 2.32 | 344 | 46050 | |
| Morainvilliers | city | France | 48.93 | 1.94 | 830 | 37644 | |
| Morangis | city | France | 48.70 | 2.34 | 298 | 264807 | |
| Morigny | city | France | 48.45 | 2.18 | 344 | 27504 | |
| Morigny-Champigny | city | France | 48.45 | 2.18 | 344 | 27504 | |
| Morsang | city | France | 48.66 | 2.35 | 259 | 268767 | |
| Morsang | city | France | 48.57 | 2.50 | 259 | 78035 | |
| Morsang-sur-Orge | city | France | 48.66 | 2.35 | 259 | 268767 | |
| Morsang-sur-Seine | city | France | 48.57 | 2.50 | 259 | 78035 | |
| Morvent | city | France | 49.02 | 1.57 | 262 | 16332 | |
| Moulineux | city | France | 48.39 | 2.03 | 830 | 3849 | |
| Mours | city | France | 49.13 | 2.27 | 124 | 50096 | |
| Mousseaux | city | France | 49.04 | 1.65 | 65 | 23896 | |
| Mousseaux-sur-Seine | city | France | 49.04 | 1.65 | 65 | 23896 | |
| Moussy | city | France | 49.14 | 1.91 | 285 | 6545 | |
| Moûtiers | city | France | 48.61 | 1.97 | 331 | 8760 | |
| Mulcent | city | France | 48.88 | 1.65 | 393 | 8081 | |
| Mulleron | city | France | 48.63 | 2.16 | 830 | 48030 | |
| Médan | city | France | 48.96 | 1.99 | 68 | 105631 | |
| Ménouville | city | France | 49.15 | 2.11 | 259 | 4038 | |
| Méricourt | city | France | 49.04 | 1.63 | 75 | 23332 | |
| Mérobert | city | France | 48.42 | 2.01 | 830 | 3504 | |
| Méry | city | France | 49.06 | 2.19 | 311 | 78994 | |
| Méry-sur-Oise | city | France | 49.06 | 2.19 | 311 | 78994 | |
| Mézières | city | France | 48.96 | 1.79 | 311 | 40992 | |
| Mênil-Girault | city | France | 48.39 | 2.20 | 830 | 10382 |