| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| TWA (TWIN HILLS) | airport | United States | 59.07 | -160.28 | 82 | 0 | |
| TWB (TOOWOOMBA) | airport | Australia | -27.54 | 151.92 | 2086 | 0 | |
| TWD (JEFFERSON CO INTL) | airport | United States | 48.05 | -122.81 | 108 | 0 | |
| TWEED NEW HAVEN | airport | United States | 41.26 | -72.89 | 14 | 0 | |
| TWELVE OAKS | airport | United States | 28.98 | -82.36 | 50 | 0 | |
| TWELVE OAKS | airport | United States | 39.45 | -86.33 | 715 | 0 | |
| TWENTHE | airport | Netherlands | 52.27 | 6.87 | 114 | 0 | |
| TWENTYNINE PALMS | airport | United States | 34.13 | -115.95 | 1887 | 0 | |
| TWENTYNINE PALMS EAF | airport | United States | 34.30 | -116.16 | 2051 | 0 | |
| TWF (JOSLIN FLD MAGIC VALLEY RGNL) | airport | United States | 42.48 | -114.49 | 4151 | 0 | |
| TWI II | airport | United States | 34.16 | -118.92 | 1162 | 0 | |
| TWIN ACRES | airport | United States | 32.40 | -96.38 | 340 | 0 | |
| TWIN BRIDGES | airport | United States | 43.94 | -114.11 | 6893 | 0 | |
| TWIN BRIDGES | airport | United States | 45.53 | -112.30 | 4777 | 0 | |
| TWIN CITIES COMMUNITY HOSPITAL | airport | United States | 35.55 | -120.72 | 851 | 0 | |
| TWIN CITIES HOSPITAL | airport | United States | 30.53 | -86.50 | 84 | 0 | |
| TWIN CITY | airport | United States | 34.09 | -78.86 | 99 | 0 | |
| TWIN CITY AIRPARK | airport | United States | 37.31 | -89.99 | 421 | 0 | |
| TWIN CITY HOSPITAL | airport | United States | 40.40 | -81.34 | 940 | 0 | |
| TWIN COUNTY | airport | United States | 36.77 | -80.82 | 2693 | 0 | |
| TWIN EAGLES | airport | United States | 43.97 | -70.60 | 280 | 0 | |
| TWIN GARDENS | airport | United States | 42.41 | -88.65 | 900 | 0 | |
| TWIN HAWKS AIRPARK | airport | United States | 32.53 | -111.20 | 2290 | 0 | |
| TWIN HILLS | airport | United States | 59.07 | -160.28 | 82 | 0 | |
| TWIN LAKE | airport | United States | 61.57 | -149.78 | 185 | 0 | |
| TWIN LAKES | airport | United States | 35.33 | -97.27 | 1199 | 0 | |
| TWIN LAKES | airport | United States | 35.91 | -80.46 | 818 | 0 | |
| TWIN LAKES | airport | United States | 33.65 | -81.87 | 540 | 0 | |
| TWIN LAKES RANCH | airport | United States | 35.03 | -99.34 | 1630 | 0 | |
| TWIN LAKES RGNL MEDICAL CENTER | airport | United States | 37.47 | -86.29 | 657 | 0 | |
| TWIN MANUFACTURING COMPANY | airport | United States | 41.81 | -72.61 | 60 | 0 | |
| TWIN MOUNTAIN | airport | United States | 44.26 | -71.55 | 1459 | 0 | |
| TWIN OAK | airport | United States | 34.87 | -78.47 | 125 | 0 | |
| TWIN OAKS | airport | United States | 37.40 | -94.28 | 955 | 0 | |
| TWIN RIVER | airport | United States | 37.68 | -79.42 | 720 | 0 | |
| TWIN RIVERS RGNL MEDICAL CENTER | airport | United States | 36.24 | -90.04 | 262 | 0 | |
| TWIN TOWERS | airport | United States | 36.76 | -78.36 | 470 | 0 | |
| TWIN-OAKS | airport | United States | 29.57 | -98.47 | 873 | 0 | |
| TWISP MUNI | airport | United States | 48.35 | -120.09 | 1602 | 0 | |
| TWITCHELL | airport | United States | 44.19 | -70.23 | 356 | 0 | |
| TWO BAR RANCH | airport | United States | 41.93 | -105.08 | 5110 | 0 | |
| TWO FALLS | airport | United States | 45.31 | -69.35 | 366 | 0 | |
| TWO J'S FLYING RANCH | airport | United States | 28.45 | -82.21 | 60 | 0 | |
| TWO JAYS NR 1 | airport | United States | 38.54 | -109.52 | 4500 | 0 | |
| TWO LEGGS | airport | United States | 32.94 | -103.00 | 3625 | 0 | |
| TWO ROCKS | airport | United States | 33.47 | -84.67 | 964 | 0 | |
| TWO TAILS | airport | United States | 44.51 | -72.61 | 754 | 0 | |
| TWP (Torwood Airport) | airport | -17.36 | 143.75 | 0 | |||
| TWU (TAWAU) | airport | Malaysia | 4.31 | 118.12 | 57 | 0 | |
| TWY (Tawa Airport) | airport | -7.45 | 146.11 | 5020 | 0 | ||
| TWZ (PUKAKI) | airport | New Zealand | -44.23 | 170.12 | 1575 | 0 |