The Meridian 89° West of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, Central America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. The 89th meridian west forms a great circle with the 91st meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 89th meridian west passes through: ! scope="col" width="120" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Nansen Sound ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Norwegian Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Jones Sound ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Lancaster Sound ! scope="row" style="background:#b0e0e6;" | Prince Regent Inlet ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Gulf of Boothia ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Hudson Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Lake Superior ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Lake Superior ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Gulf of Mexico ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Gulf of Mexico ! scope="row" | 🇲🇽 ! scope="row" | 🇧🇿 ! scope="row" | 🇬🇹 ! scope="row" | 🇭🇳 ! scope="row" | 🇸🇻 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica