World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Glossa | GRGLO | Greece |
| Gloucester | GBGLO | United Kingdom |
| Gloucester | USGLO | United States of America (the) |
| Gloucester City | USGLC | United States of America (the) |
| Glücksburg | DEGLK | Germany |
| Glückstadt | DEGLU | Germany |
| Glyfa Fthiotidas | GRGLY | Greece |
| Glyfada | GRGFD | Greece |
| Glyngøre | DKGLY | Denmark |
| Gmund am Tegernsee | DEUND | Germany |