| Neighbor of Myanmar | 19 |
| Neighbor of MT | 14 |
| Neighbor of Mozambique | 22 |
| Neighbor of Morocco | 19 |
| Neighbor of Monterey Park, briefly | 34 |
| Neighbor of Montenegro | 22 |
| Neighbor of Montana | 19 |
| Neighbor of Mont. | 17 |
| Neighbor of Monaco | 18 |
| Neighbor of Molokai | 19 |
| Neighbor of Mo. | 15 |
| Neighbor of Mississippi | 23 |
| Neighbor of Miss. | 17 |
| Neighbor of Minnesota, Michigan and New York | 44 |
| Neighbor of Minneapolis | 23 |
| Neighbor of Minn. and N.Y. | 26 |
| Neighbor of Minn. and Mont. | 27 |
| Neighbor of Minn. | 17 |
| Neighbor of Mindoro | 19 |
| Neighbor of Michigan | 20 |
| Neighbor of Mich. and Ill. | 26 |
| Neighbor of Mich. | 17 |
| Neighbor of Mexico | 18 |
| Neighbor of Mex. | 16 |
| Neighbor of Md. | 15 |
| Neighbor of McGuire Air Force Base | 34 |
| Neighbor of McGuire A.F.B. | 26 |
| Neighbor of Mauritania | 22 |
| Neighbor of Mauna Loa | 21 |
| Neighbor of Maui | 16 |
| Neighbor of Mass. | 17 |
| Neighbor of Mary | 16 |
| Neighbor of Mars | 16 |
| Neighbor of Marge and Homer | 27 |
| Neighbor of Mar. | 16 |
| Neighbor of Man. and Minn. | 26 |
| Neighbor of Man. | 16 |
| Neighbor of Malta | 17 |
| Neighbor of Mali | 16 |
| Neighbor of Macedonia and Montenegro | 36 |
| Neighbor of Macedonia | 21 |
| Neighbor of Lydia | 17 |
| Neighbor of Luzon | 17 |
| Neighbor of Lux. | 16 |
| Neighbor of Lucy and Ricky | 26 |
| Neighbor of Lucy and Desi | 25 |
| Neighbor of Lucy | 16 |
| Neighbor of Loire and Ain | 25 |
| Neighbor of Liech. | 18 |
| Neighbor of Libya: Abbr. | 24 |
| Neighbor of Libya and Chad | 26 |
| Neighbor of Libya | 17 |
| Neighbor of Liberia | 19 |
| Neighbor of Leyte | 17 |
| Neighbor of Leo and Libra | 25 |
| Neighbor of Leo | 15 |
| Neighbor of Lebanon and Iraq | 28 |
| Neighbor of Lebanon | 19 |
| Neighbor of Leb. | 16 |
| Neighbor of Latvia: Var. | 24 |
| Neighbor of Lat. | 16 |
| Neighbor of Lanai | 17 |
| Neighbor of LaGuardia | 21 |
| Neighbor of La. | 15 |
| Neighbor of La Guardia | 22 |
| Neighbor of La Crosse, Wis. | 27 |
| Neighbor of L.A. | 16 |
| Neighbor of Ky. | 15 |
| Neighbor of Kuwait | 18 |
| Neighbor of Korea | 17 |
| Neighbor of Kobe and Kyoto | 26 |
| Neighbor of Kenya: Abbr. | 24 |
| Neighbor of Kenya (abbr.) | 25 |
| Neighbor of Kauai | 17 |
| Neighbor of Kan. | 16 |
| Neighbor of Kaliningrad | 23 |
| Neighbor of K2 | 14 |
| Neighbor of Jupiter | 19 |
| Neighbor of Jordan: Abbr. | 25 |
| Neighbor of Jordan | 18 |
| Neighbor of Jord. | 17 |
| Neighbor of Jor. | 16 |
| Neighbor of Jersey City | 23 |
| Neighbor of Java | 16 |
| Neighbor of Japan | 17 |
| Neighbor of Jan. | 16 |
| Neighbor of Jaipur | 18 |
| Neighbor of J.F.K. | 18 |
| Neighbor of Ivory Coast | 23 |
| Neighbor of Italy | 17 |
| Neighbor of It. | 15 |
| Neighbor of Israel | 18 |
| Neighbor of Isr., once | 22 |
| Neighbor of Isr. | 16 |
| Neighbor of Irving | 18 |
| Neighbor of Irkutsk on a Risk board | 35 |
| Neighbor of Ire. | 16 |
| Neighbor of Iraq: Abbr. | 23 |
| Neighbor of Iraq and Syria | 26 |
| Neighbor of Iraq | 16 |