Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Houston | USHOU | United States of America | 29°45'N | 95°20'W |
| New York | USBOY | United States of America | 40°43'N | 74°00'W |
| Frederiksted | VIFRD | United States of America | 17°43'N | 64°53'W |
| Sitka | CASKA | United States of America | 57°03'N | 135°20'W |
| Portland (Usa-Me) | USPWN | United States of America | 43°39'N | 70°14'W |
| Panama City | USPFN | United States of America | 30°10'N | 85°40'W |
| Galveston | USGLS | United States of America | 29°17'N | 94°50'W |
| Massena | USMSS | United States of America | 44°50'N | 74°55'W |
| Seward | USSEW | United States of America | 60°06'N | 149°27'W |
| Bucksport | USBUP | United States of America | 44°35'N | 68°49'W |
| Palm Beach | USPAB | United States of America | 26°46'N | 80°03'W |
| Fort Pierce | USFPR | United States of America | 27°27'N | 80°19'W |
| Nome | USOME | United States of America | 64°30'N | 165°28'W |
| Bangor (Usa) | USBGR | United States of America | 44°47'N | 68°47'W |
| Miami | USMIA | United States of America | 25°46'N | 80°10'W |
| Freeport (Usa) | USFRP | United States of America | 28°57'N | 95°21'W |
| Kingston (Usa) | USKIN | United States of America | 41°54'N | 73°58'W |
| Boca Grande | CUBOG | United States of America | 26°43'N | 82°16'W |
| Nikiski | CANKI | United States of America | 60°41'N | 151°24'W |
| West Wego | USWWO | United States of America | 29°55'N | 90°09'W |