Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Milos | GRADA | Greece | 36°44'N | 24°25'E |
| Megara | GRMGR | Greece | 38°00'N | 23°19'E |
| Kos | GRKGS | Greece | 36°54'N | 27°15'E |
| Kithira Island | GRKIS | Greece | 36°08'N | 23°00'E |
| Kefallin | GREFL | Greece | 38°12'N | 20°29'E |
| Kavalla | GRKVA | Greece | 40°55'N | 24°24'E |
| Kalamata | GRKLX | Greece | 37°02'N | 22°06'E |
| Corinth Canal West | GRCCW | Greece | 37°55'N | 22°99'E |
| Itea | GRITA | Greece | 38°26'N | 22°25'E |
| Corinth Canal East | GRCCE | Greece | 37°57'N | 22°56'E |
| Zea Island | GRZEA | Greece | 37°40'N | 24°18'E |
| Eleusis | GREEU | Greece | 38°02'N | 23°33'E |
| Corfu | GRCFU | Greece | 39°37'N | 19°55'E |
| Zante | GRZAN | Greece | 37°45'N | 20°54'E |
| Drapetzona | GRDPA | Greece | 37°57'N | 23°35'E |
| Athens | GRATH | Greece | 37°56'N | 23°38'E |
| Volos | GRVOL | Greece | 39°21'N | 22°55'E |
| Argostolion | GREFL | Greece | 38°12'N | 20°29'E |
| Thasos | GRTHS | Greece | 40°48'N | 24°45'E |
| Thule | GLTHU | Greenland | 76°36'N | 68°52'W |