The meridian 31° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 31st meridian west forms a great circle with the 149th meridian east.
From Pole to Pole
editStarting at the North Pole and heading south to the South Pole, the 31st meridian west passes through: