Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Platea | GRPLT | Greece | 38°58'N | 25°34'E |
| Piraeus | GRATH | Greece | 37°56'N | 23°38'E |
| Perama | GRPER | Greece | 37°58'N | 23°34'E |
| Patras | GRGPA | Greece | 38°14'N | 21°44'E |
| Paros Island | GRPRI | Greece | 37°05'N | 25°09'E |
| Nea Karvali | GRNEK | Greece | 40°58'N | 24°27'E |
| Navplion | GRNAP | Greece | 37°34'N | 22°47'E |
| Navarino | GRNAV | Greece | 36°55'N | 21°41'E |
| Nauplia | GRNAP | Greece | 37°34'N | 22°47'E |
| Mitylene | GRMJT | Greece | 39°06'N | 26°35'E |
| 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 |
| Itea | GRITA | Greece | 38°26'N | 22°25'E |
| Corinth Canal West | GRCCW | Greece | 37°55'N | 22°99'E |
| Thule | GLTHU | Greenland | 76°36'N | 68°52'W |