Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| San Diego | USSAN | United States of America | 32°41'N | 117°07'W |
| Duluth | USDLH | United States of America | 46°49'N | 92°09'W |
| Garyville | USGRL | United States of America | 30°03'N | 90°37'W |
| Harbor Island | USPAS | United States of America | 27°50'N | 97°03'W |
| Newport (Usa) | USNPT | United States of America | 41°29'N | 71°20'W |
| Port Townsend | USPTD | United States of America | 48°06'N | 122°45'W |
| Port San Luis | USPSL | United States of America | 35°10'N | 120°45'W |
| Detroit | USDET | United States of America | 42°19'N | 83°05'W |
| Destrehan | USDES | United States of America | 29°56'N | 90°21'W |
| Ferndale | USFED | United States of America | 48°49'N | 122°43'W |
| Melville | USMVI | United States of America | 41°35'N | 71°17'W |
| Port Angeles | USPAN | United States of America | 48°08'N | 123°25'W |
| Monterey | USMNY | United States of America | 36°36'N | 121°54'W |
| Sandwich | USSWH | United States of America | 41°46'N | 70°29'W |
| Convent | USCNV | United States of America | 30°01'N | 90°50'W |
| Everett (Usa-Wa) | USEVE | United States of America | 47°59'N | 122°13'W |
| Philadelphia | USPHL | United States of America | 39°57'N | 75°10'W |
| Martinez | USMRZ | United States of America | 38°01'N | 122°08'W |
| Salem | USSLM | United States of America | 42°30'N | 70°53'W |
| Chalmette | USCLM | United States of America | 29°56'N | 90°00'W |