Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Ayios Nikolas | GRANI | Greece | 35°11'N | 25°43'E |
| Rhodes | GRRHD | Greece | 36°25'N | 28°17'E |
| Aghios Nikolaos | GRANI | Greece | 35°11'N | 25°43'E |
| Porto Lago | TRLAK | Greece | 37°07'N | 26°50'E |
| Port Laki | TRLAK | Greece | 37°07'N | 26°50'E |
| 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 |
| Gronnedal | DEGRL | Greenland | 61°15'N | 48°05'W |