| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| BTA | airport | United States | 32.00 | -102.08 | 2815 | 0 | |
| BTA (Bertoua Airport) | airport | 4.55 | 13.73 | 2133 | 0 | ||
| BTB (Betou Airport) | airport | 3.05 | 18.50 | 1168 | 0 | ||
| BTC (BATTICALOA) | airport | Sri Lanka | 7.71 | 81.68 | 20 | 0 | |
| BTD (Brunette Downs Airport) | airport | -18.64 | 135.94 | 700 | 0 | ||
| BTE (Sherbro International Airport) | airport | 7.53 | -12.52 | 14 | 0 | ||
| BTF (SKYPARK) | airport | United States | 40.87 | -111.93 | 4234 | 0 | |
| BTG (Batangafo Airport) | airport | 7.31 | 18.31 | 1378 | 0 | ||
| BTH (HANG NADIM) | airport | Indonesia | 1.12 | 104.12 | 126 | 0 | |
| BTI (BARTER ISLAND LRRS) | airport | United States | 70.13 | -143.58 | 2 | 0 | |
| BTJ (SULTAN ISKANDARMUDA) | airport | Indonesia | 5.52 | 95.42 | 65 | 0 | |
| BTK (BRATSK) | airport | Russia | 56.37 | 101.70 | 1610 | 0 | |
| BTL (W K KELLOGG) | airport | United States | 42.31 | -85.25 | 952 | 0 | |
| BTM (BERT MOONEY) | airport | United States | 45.95 | -112.50 | 5550 | 0 | |
| BTN (MARLBORO CO JETPORT H E AVENT) | airport | United States | 34.62 | -79.73 | 147 | 0 | |
| BTN ASABRI | city | Jawa Barat | Indonesia | -6.95 | 106.93 | 1679 | 374047 |
| BTN Babakandamai | city | Jawa Barat | Indonesia | -6.92 | 106.89 | 1820 | 466580 |
| BTN Cibogo | city | Jawa Barat | Indonesia | -6.82 | 107.26 | 895 | 204460 |
| BTN Ciheuleutindah | city | Jawa Barat | Indonesia | -6.58 | 107.77 | 830 | 158816 |
| BTN Mandala | city | Banten | Indonesia | -6.35 | 106.23 | 298 | 115650 |
| BTN Ona | city | Banten | Indonesia | -6.37 | 106.27 | 324 | 156109 |
| BTN Sabandar | city | Jawa Barat | Indonesia | -6.81 | 107.17 | 1669 | 336059 |
| BTN Sambiroto | city | Jawa Tengah | Indonesia | -7.01 | 109.58 | 364 | 170608 |
| BTO (Botopasi Airport) | airport | 4.22 | -55.45 | 242 | 0 | ||
| BTP (BUTLER CO K W SCHOLTER FLD) | airport | United States | 40.78 | -79.95 | 1248 | 0 | |
| BTQ (Butare Airport) | airport | -2.60 | 29.74 | 5801 | 0 | ||
| BTR (BATON ROUGE METRO RYAN FLD) | airport | United States | 30.53 | -91.15 | 70 | 0 | |
| BTS (M R STEFANIK) | airport | Slovakia | 48.17 | 17.21 | 436 | 0 | |
| BTT (BETTLES) | airport | United States | 66.91 | -151.53 | 644 | 0 | |
| BTU (BINTULU) | airport | Malaysia | 3.12 | 113.02 | 74 | 0 | |
| BTV (BURLINGTON INTL) | airport | United States | 44.47 | -73.15 | 335 | 0 | |
| BTW (BATU LICIN) | airport | Indonesia | -3.41 | 116.00 | 3 | 0 | |
| BTX (Betoota Airport) | airport | -25.64 | 140.78 | 91 | 0 | ||
| BTY (BEATTY) | airport | United States | 36.86 | -116.79 | 3170 | 0 | |
| BTZ (Bursa Airport) | airport | 40.23 | 29.01 | 331 | 0 |