| Abbreviation | Definition |
|---|---|
| THC | Tchien, Liberia |
| THE | Teresina, PI, Brazil |
| THF | Tempelhof, Germany |
| THG | Thangool, Queensland, Australia |
| THH | Taharoa, New Zealand |
| THK | Thakhek, Laos |
| THL | Tachilek, Burma ( Myanmar) |
| THN | Trollhattan, Sweden |
| THO | Thorshofn, Iceland |
| THP | Thermopolis, Wyoming USA |
| THR | Tehran, Iran |
| THS | Sukhothai, Thailand |
| THT | Tamchackett, Mauritania |
| THU | Pituffik, Thule, Greenland |
| THY | Thohoyandou Airport, Thohoyandou, South Africa |
| THZ | Tahoua, Niger |
| TIA | Tirana, Albania |
| TIB | Tibu, Colombia |
| TIC | Tinak Island, Marshall Islands |
| TID | Tiaret, Algeria |