111th meridian west

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.

111°

111th meridian west

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.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 111th meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 111°0′W	Arctic Ocean
78°42′N 111°0′W	Canada	Northwest Territories — Borden Island
78°22′N 111°0′W	Wilkins Strait
78°6′N 111°0′W	Canada	Northwest Territories — Mackenzie King Island
77°25′N 111°0′W	Unnamed waterbody
75°32′N 111°0′W	Canada	Northwest Territories — Melville Island
74°37′N 111°0′W	Parry Channel	Viscount Melville Sound
72°25′N 111°0′W	Canada	Northwest Territories — Victoria Island Nunavut — from 70°0′N 111°0′W on Victoria Island, and Edinburgh Island
68°28′N 111°0′W	Coronation Gulf
67°53′N 111°0′W	Canada	Nunavut — Hepburn Island and the mainland Northwest Territories — from 65°30′N 111°0′W, passing through the Great Slave Lake Alberta — from 60°0′N 111°0′W, passing through Lake Athabasca
49°0′N 111°0′W	United States	Montana Wyoming — from 45°0′N 111°0′W Utah — from 41°1′N 111°0′W Arizona — from 37°0′N 111°0′W, passing just west of Tucson at 32°13′N 110°55′W
31°20′N 111°0′W	Mexico	Sonora — passing just west of Hermosillo at 29°6′N 110°57′W
27°58′N 111°0′W	Gulf of California
25°25′N 111°0′W	Mexico	Baja California Sur
24°4′N 111°0′W	Pacific Ocean
18°50′N 111°0′W	Mexico	Socorro Island in the Revillagigedo Islands, Colima
18°44′N 111°0′W	Pacific Ocean
60°0′S 111°0′W	Southern Ocean
74°13′S 111°0′W	Antarctica	Unclaimed territory