| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| MAS (MOMOTE) | airport | Papua New Guinea | -2.06 | 147.42 | 12 | 0 | |
| MASBATE | airport | Philippines | 12.37 | 123.63 | 26 | 0 | |
| MASCOUCHE | airport | Canada | 45.72 | -73.60 | 75 | 0 | |
| MASH | airport | United States | 34.86 | -97.63 | 990 | 0 | |
| MASHHAD INTL | airport | Iran | 36.24 | 59.64 | 3263 | 0 | |
| MASIRAH | airport | Oman | 20.68 | 58.89 | 64 | 0 | |
| MASLAREVO | airport | Bulgaria | 43.41 | 25.47 | 349 | 0 | |
| MASNAU MASSUGUIES | city | Midi-Pyrenees | France | 43.78 | 2.55 | 2509 | 873 |
| MASON AIRFIELD | airport | United States | 42.73 | -71.78 | 740 | 0 | |
| MASON AIRWAY | airport | United States | 42.32 | -74.99 | 2170 | 0 | |
| MASON CITY MUNI | airport | United States | 43.16 | -93.33 | 1213 | 0 | |
| MASON CO | airport | United States | 30.73 | -99.18 | 1502 | 0 | |
| MASON CO | airport | United States | 38.91 | -82.10 | 643 | 0 | |
| MASON CO | airport | United States | 43.96 | -86.41 | 645 | 0 | |
| MASON DISTRICT HOSPITAL | airport | United States | 40.31 | -90.05 | 479 | 0 | |
| MASON GENERAL HOSPITAL | airport | United States | 47.22 | -123.11 | 278 | 0 | |
| MASON JEWETT FLD | airport | United States | 42.57 | -84.42 | 919 | 0 | |
| MASON VALLEY | airport | United States | 38.04 | -85.36 | 510 | 0 | |
| MASROOR | airport | Pakistan | 24.89 | 66.94 | 35 | 0 | |
| MASS. MUTUAL | airport | United States | 42.12 | -72.54 | 206 | 0 | |
| MASSACHUSETTS GENERAL HOSPITAL | airport | United States | 42.36 | -71.07 | 214 | 0 | |
| MASSAWA INTL | airport | Eritrea | 15.67 | 39.37 | 194 | 0 | |
| MASSENA INTL RICHARDS FLD | airport | United States | 44.94 | -74.85 | 215 | 0 | |
| MASSENGILL | airport | United States | 35.32 | -78.39 | 190 | 0 | |
| MASSENGILL | airport | United States | 40.07 | -82.14 | 955 | 0 | |
| MASSER FIELD | airport | United States | 40.63 | -76.60 | 720 | 0 | |
| MASSET | airport | Canada | 54.03 | -132.13 | 25 | 0 | |
| MASSEY AERODROME | airport | United States | 39.30 | -75.80 | 73 | 0 | |
| MASSEY FARM | airport | United States | 34.69 | -114.10 | 1630 | 0 | |
| MASSEY RANCH AIRPARK | airport | United States | 28.98 | -80.93 | 12 | 0 | |
| MASSILLON COMMUNITY HOSPITAL | airport | United States | 40.81 | -81.52 | 1026 | 0 | |
| MASSIMILIANO MEM FLD | airport | United States | 29.36 | -95.66 | 65 | 0 | |
| MASSINGALE | airport | United States | 35.76 | -84.19 | 840 | 0 | |
| MAST COVE | airport | United States | 43.99 | -70.64 | 267 | 0 | |
| MASTERS FIELD | airport | United States | 39.76 | -95.10 | 1120 | 0 | |
| MASTERSON | airport | United States | 29.56 | -98.93 | 1100 | 0 | |
| MASTERTON | airport | New Zealand | -40.97 | 175.63 | 364 | 0 | |
| MASVINGO INTL | airport | Zimbabwe | -20.06 | 30.86 | 3595 | 0 |