Latitudes and Longitudes
| Seaport Name | Seaport Code | Country | Latitude | Longitude |
|---|---|---|---|---|
| Oranjemund | NAOJM | Namibia | 28°33'S | 16°21'E |
| Nauru Island | NRINU | Nauru | 0°30'S | 166°55'E |
| Ymuiden | NLIJM | Netherlands | 52°28'N | 4°34'E |
| Waalhaven | NLWAL | Netherlands | 51°45'N | 4°29'E |
| Vlaardingen | NLVLA | Netherlands | 51°54'N | 4°19'E |
| Texel | NLTEX | Netherlands | 53°11'N | 4°50'E |
| Terneuzen | NLTNZ | Netherlands | 51°20'N | 3°49'E |
| Rotterdam | NLRTM | Netherlands | 51°55'N | 4°27'E |
| Niew Diep | NLNDI | Netherlands | 52°58'N | 4°46'E |
| Ijmuiden | NLIJM | Netherlands | 52°28'N | 4°34'E |
| Hook Of Holland | NLHOH | Netherlands | 52°00'N | 4°06'E |
| Hansweert | NLHAN | Netherlands | 51°27'N | 4°00'E |
| Flushing | NLFLU | Netherlands | 51°27'N | 3°34'E |
| Europoort | NLEUR | Netherlands | 51°58'N | 4°07'E |
| Dordrecht | NLDOR | Netherlands | 51°49'N | 4°39'E |
| Botlek | NLRTM | Netherlands | 51°55'N | 4°27'E |
| Den Helder | NLHLD | Netherlands | 52°58'N | 4°46'E |
| Amsterdam | NLAMS | Netherlands | 52°22'N | 4°54'E |
| Delfzyl | NLDZL | Netherlands | 53°20'N | 6°55'E |
| Delfzijl | NLDZL | Netherlands | 53°20'N | 6°55'E |