| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| MAB (MARABA) | airport | Brazil | -5.37 | -49.14 | 357 | 0 | |
| MACAE | airport | Brazil | -22.34 | -41.77 | 8 | 0 | |
| MACAPA | airport | Brazil | 0.05 | -51.07 | 56 | 0 | |
| MACAUBAS | airport | Brazil | -13.03 | -42.67 | 2133 | 0 | |
| MAE (MARTE) | airport | Brazil | -23.51 | -46.64 | 2368 | 0 | |
| MAISA | airport | Brazil | -5.02 | -37.52 | 262 | 0 | |
| MAJOR BRIGADEIRO DOORGAL BORGES | airport | Brazil | -21.27 | -43.76 | 3657 | 0 | |
| MAJOR BRIGADEIRO TROMPOWSKY | airport | Brazil | -21.59 | -45.47 | 3028 | 0 | |
| MANICORE | airport | Brazil | -5.81 | -61.28 | 174 | 0 | |
| MANOEL RIBAS | airport | Brazil | -24.53 | -51.65 | 2822 | 0 | |
| MAO (EDUARDO GOMES INTL) | airport | Brazil | -3.04 | -60.05 | 264 | 0 | |
| MARABA | airport | Brazil | -5.37 | -49.14 | 357 | 0 | |
| MARCHESAN S A | airport | Brazil | -21.63 | -48.39 | 1942 | 0 | |
| MARECHAL CANDIDO RONDON | airport | Brazil | -24.51 | -54.05 | 1411 | 0 | |
| MARECHAL CUNHA MACHADO INTL | airport | Brazil | -2.59 | -44.23 | 178 | 0 | |
| MARECHAL RONDON | airport | Brazil | -15.65 | -56.12 | 617 | 0 | |
| MARICA | airport | Brazil | -22.92 | -42.83 | 13 | 0 | |
| MARILIA | airport | Brazil | -22.20 | -49.93 | 2122 | 0 | |
| MARIO RIBEIRO | airport | Brazil | -16.71 | -43.82 | 2191 | 0 | |
| MARTE | airport | Brazil | -23.51 | -46.64 | 2368 | 0 | |
| MATURACA | airport | Brazil | 0.63 | -66.12 | 354 | 0 | |
| MAUES | airport | Brazil | -3.37 | -57.72 | 69 | 0 | |
| MAXARANGUAPE | airport | Brazil | -5.38 | -35.53 | 302 | 0 |