# 111th meridian west

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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.

## 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 / ﻿90.000°N 111.000°W﻿ / 90.000; -111.000﻿ (Arctic Ocean) Arctic Ocean 78°42′N 111°0′W﻿ / ﻿78.700°N 111.000°W﻿ / 78.700; -111.000﻿ (Canada)  Canada Northwest Territories — Borden Island 78°22′N 111°0′W﻿ / ﻿78.367°N 111.000°W﻿ / 78.367; -111.000﻿ (Wilkins Strait) Wilkins Strait 78°6′N 111°0′W﻿ / ﻿78.100°N 111.000°W﻿ / 78.100; -111.000﻿ (Canada)  Canada Northwest Territories — Mackenzie King Island 77°25′N 111°0′W﻿ / ﻿77.417°N 111.000°W﻿ / 77.417; -111.000 Unnamed waterbody 75°32′N 111°0′W﻿ / ﻿75.533°N 111.000°W﻿ / 75.533; -111.000﻿ (Canada)  Canada Northwest Territories — Melville Island 74°37′N 111°0′W﻿ / ﻿74.617°N 111.000°W﻿ / 74.617; -111.000﻿ (Parry Channel) Parry Channel Viscount Melville Sound 72°25′N 111°0′W﻿ / ﻿72.417°N 111.000°W﻿ / 72.417; -111.000﻿ (Canada)  Canada Northwest Territories — Victoria Island Nunavut — from 70°0′N 111°0′W﻿ / ﻿70.000°N 111.000°W﻿ / 70.000; -111.000﻿ (Nunavut) on Victoria Island, and Edinburgh Island 68°28′N 111°0′W﻿ / ﻿68.467°N 111.000°W﻿ / 68.467; -111.000﻿ (Coronation Gulf) Coronation Gulf 67°53′N 111°0′W﻿ / ﻿67.883°N 111.000°W﻿ / 67.883; -111.000﻿ (Canada)  Canada Nunavut — Hepburn Island and the mainland Northwest Territories — from 65°30′N 111°0′W﻿ / ﻿65.500°N 111.000°W﻿ / 65.500; -111.000﻿ (Northwest Territories), passing through the Great Slave Lake Alberta — from 60°0′N 111°0′W﻿ / ﻿60.000°N 111.000°W﻿ / 60.000; -111.000﻿ (Alberta), passing through Lake Athabasca 49°0′N 111°0′W﻿ / ﻿49.000°N 111.000°W﻿ / 49.000; -111.000﻿ (United States)  United States Montana Wyoming — from 45°0′N 111°0′W﻿ / ﻿45.000°N 111.000°W﻿ / 45.000; -111.000﻿ (Wyoming) Utah — from 41°1′N 111°0′W﻿ / ﻿41.017°N 111.000°W﻿ / 41.017; -111.000﻿ (Utah) Arizona — from 37°0′N 111°0′W﻿ / ﻿37.000°N 111.000°W﻿ / 37.000; -111.000﻿ (Arizona), passing just west of Tucson at 32°13′N 110°55′W﻿ / ﻿32.217°N 110.917°W﻿ / 32.217; -110.917﻿ (Tucson) 31°20′N 111°0′W﻿ / ﻿31.333°N 111.000°W﻿ / 31.333; -111.000﻿ (Mexico)  Mexico Sonora — passing just west of Hermosillo at 29°6′N 110°57′W﻿ / ﻿29.100°N 110.950°W﻿ / 29.100; -110.950﻿ (Arizona) 27°58′N 111°0′W﻿ / ﻿27.967°N 111.000°W﻿ / 27.967; -111.000﻿ (Gulf of California) Gulf of California 25°25′N 111°0′W﻿ / ﻿25.417°N 111.000°W﻿ / 25.417; -111.000﻿ (Mexico)  Mexico Baja California Sur 24°4′N 111°0′W﻿ / ﻿24.067°N 111.000°W﻿ / 24.067; -111.000﻿ (Pacific Ocean) Pacific Ocean 18°50′N 111°0′W﻿ / ﻿18.833°N 111.000°W﻿ / 18.833; -111.000﻿ (Mexico)  Mexico Socorro Island in the Revillagigedo Islands, Colima 18°44′N 111°0′W﻿ / ﻿18.733°N 111.000°W﻿ / 18.733; -111.000﻿ (Pacific Ocean) Pacific Ocean 60°0′S 111°0′W﻿ / ﻿60.000°S 111.000°W﻿ / -60.000; -111.000﻿ (Southern Ocean) Southern Ocean 74°13′S 111°0′W﻿ / ﻿74.217°S 111.000°W﻿ / -74.217; -111.000﻿ (Antarctica) Antarctica Unclaimed territory