Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Lamlash | GBLAH | United Kingdom | 55°32'N | 5°04'W |
| Point Ayre | GBPTA | United Kingdom | 54°25'N | 4°22'W |
| Eureka | USEKA | United States of America | 40°48'N | 124°10'W |
| North Weymouth | USNWY | United States of America | 42°15'N | 70°55'W |
| Chicago | USCHI | United States of America | 41°50'N | 87°45'W |
| Hampton Roads | USPHF | United States of America | 36°51'N | 76°19'W |
| Wilmington (Usa-Nc) | USILM | United States of America | 34°14'N | 77°57'W |
| Estero Bay | USESB | United States of America | 35°24'N | 120°53'W |
| New Bedford | USEWB | United States of America | 41°38'N | 70°55'W |
| Honolulu | USHNL | United States of America | 21°19'N | 157°52'W |
| Texas City | USTXT | United States of America | 29°22'N | 94°53'W |
| Morehead City | USBFM | United States of America | 34°43'N | 76°42'W |
| El Segundo | USELS | United States of America | 33°54'N | 118°27'W |
| Fall River | USFAR | United States of America | 41°42'N | 71°10'W |
| Hilo | USITO | United States of America | 19°46'N | 155°06'W |
| Smiths Bluff | USBMT | United States of America | 30°00'N | 93°59'W |
| Woodbridge | USWBG | United States of America | 42°32'N | 69°59'W |
| El Capitan | USELC | United States of America | 32°55'N | 118°25'W |
| Everett (Usa-Ma) | USEVT | United States of America | 42°21'N | 71°05'W |
| Savannah | USSAV | United States of America | 32°02'N | 81°07'W |