| Name | Country | 14C dates | |
|---|---|---|---|
|
541-560 / 936 show all | |||
| Moskovskaya | Russia | 3 | Show |
| Mosta | Malta | 3 | Show |
| Mount Lebanon | Lebanon | 2 | Show |
| Moyle | United Kingdom | 22 | Show |
| Murcia | Spain | 68 | Show |
| Mures | Romania | 9 | Show |
| Murska Sobota | Slovenia | 31 | Show |
| Musandam | Oman | 1 | Show |
| Muscat | Oman | 12 | Show |
| Mykolayiv | Ukraine | 7 | Show |
| Nagykanizsa | Hungary | 6 | Show |
| Namur | Belgium | 61 | Show |
| Napoli | Italy | 8 | Show |
| Neamt | Romania | 3 | Show |
| Neath Port Talbot | United Kingdom | 5 | Show |
| Neuchâtel | Switzerland | 32 | Show |
| Newham | United Kingdom | 1 | Show |
| Newport | United Kingdom | 6 | Show |
| Newry and Mourne | United Kingdom | 36 | Show |
| Newtownabbey | United Kingdom | 8 | Show |
