| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Moirans-en-Montagne | cnl00022923 | France | — | — | |
| Molenbeek-Saint-Jean | cnl00017758 | — | 4.33305555555556 | 50.85 | |
| Molfetta | cnl00017249 | Italy | — | — | |
| Mollis | cnl00021964 | Switzerland | 9.083333 | 47.1 | |
| Molmerswende | cnl00031337 | Germany | 11.261111 | 51.627222 | |
| Monaco | cnl00003034 | Monaco | — | — | |
| Monaghan | cnl00027656 | Ireland | -6.970825 | 54.247926 | |
| Moncontour | cnl00021097 | France | -0.0158 | 46.8825 | |
| Mondovi | cnl00011802 | Italy | 7.82 | 44.38 | |
| Monflanquin | cnl00023178 | — | 0.766666666666667 | 44.5330555555556 | |
| Monfort | cnl00019675 | France | — | — | |
| Monieux | cnl00018721 | France | — | — | |
| Monken Hadley (Middlesex) | — | England | -0.199 | 51.6624 | |
| Monmouth | cnl00003157 | England | -2.71916666666667 | 51.8088888888889 | |
| Monnickendam | cnl00015823 | Netherlands | 5.035278 | 52.454722 | |
| Mons | cnl00006045 | Belgium | 3.93 | 50.45 | |
| Monschau | cnl00011818 | Germany | 6.25 | 50.5497222222222 | |
| Monselice | cnl00017715 | Italy | 11.75 | 45.2330555555556 | |
| Monster | — | Netherlands | 4.172778 | 52.028611 | |
| Mont-Saint-Michel | cnl00027097 | France | -1.51055555555556 | 48.6355555555556 | |
| Montainville | cnl00023138 | France | — | — | |
| Montargis | cnl00011833 | France | 2.75 | 48.0 | |
| Montauban | cnl00011835 | France | 1.35 | 44.02 | |
| Montbard | cnl00017959 | France | 4.33305555555556 | 47.6166666666667 | |
| Montbéliard | cnl00028797 | France | 6.8 | 47.52 |