The meridian 117° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. The 117th meridian west forms a great circle with the 63rd meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 117th meridian west passes through: ! scope="col" width="130" | 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;" | Fitzwilliam Strait ! scope="row" style="background:#b0e0e6;" | Kellett Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Purchase Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | M'Clure Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Prince of Wales Strait ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Prince Albert Sound ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Dolphin and Union Strait ! scope="row" | 🇨🇦 ! scope="row" | 🇺🇸 ! scope="row" | 🇲🇽 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica