The meridian 111° 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 111th meridian west forms a great circle with the 69th meridian east.
In the United
States, the Western border of Wyoming with Montana, Idaho, and Utah
lies on the meridian 34° west of Washington, which is a couple of
miles west of the meridian 111° west of Greenwich.
Starting at the North
Pole and heading south to the South Pole, the 111th meridian west passes
through:
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