| Abbreviation | Definition |
|---|---|
| HGU | Mount Hagen, Papua New Guinea |
| HGZ | Hogatza, Alaska USA |
| HHA | Huang Hua, Mainland China |
| HHE | Hachinohe, Japan |
| HHG | Huntington, Indiana USA |
| HHH | Hilton Head Island, South Carolina USA |
| HHN | Hahn Airport, Hahn, Germany |
| HHQ | Hua Hin, Thailand |
| HHR | Jack Northrop Field/Hawthorne Municipal Airport, Hawthorne, California USA |
| HHZ | Hikueru, French Polynesia |
| HIB | Hibbing Chisholm Airport, Hibbing, Minnesota USA |
| HID | Horn Island, Queensland, Australia |
| HIE | Whitefield, New Hampshire USA |
| HIG | Highbury, Queensland, Australia |
| HII | Lake Havasu City, Arizona USA |
| HIJ | Hiroshima, Japan |
| HIL | Shillavo, Ethiopia |
| HIN | Chinju, Republic of Korea |
| HIO | Hillsboro, Oregon USA |
| HIR | Henderson Field, Honiara, Guadalcanal, Solomon Islands |