title: 18th meridian west
text: # 18th meridian west
  
  The meridian 18° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, Iceland, the Atlantic Ocean, the Canary Islands, the Southern Ocean, and Antarctica to the South Pole.
  
  The 18th meridian west forms a great circle with the 162nd meridian east.
  
  ## From Pole to Pole
  
  Starting at the North Pole and heading south to the South Pole, the 18th meridian west passes through:
  
      Co-ordinates Country, territory or sea Notes 90°0′N 18°0′W﻿ / ﻿90.000°N 18.000°W﻿ / 90.000; -18.000﻿ (Arctic Ocean) Arctic Ocean 82°8′N 18°0′W﻿ / ﻿82.133°N 18.000°W﻿ / 82.133; -18.000﻿ (Greenland)  Greenland Prinsesse Margrethe Island, Prinsesse Dagmar Island, and mainland 79°41′N 18°0′W﻿ / ﻿79.683°N 18.000°W﻿ / 79.683; -18.000﻿ (Atlantic Ocean) Atlantic Ocean Greenland Sea 78°47′N 18°0′W﻿ / ﻿78.783°N 18.000°W﻿ / 78.783; -18.000﻿ (Greenland)  Greenland Bourbon Island 78°44′N 18°0′W﻿ / ﻿78.733°N 18.000°W﻿ / 78.733; -18.000﻿ (Atlantic Ocean) Atlantic Ocean Greenland Sea 77°46′N 18°0′W﻿ / ﻿77.767°N 18.000°W﻿ / 77.767; -18.000﻿ (Greenland)  Greenland Ile de France 77°37′N 18°0′W﻿ / ﻿77.617°N 18.000°W﻿ / 77.617; -18.000﻿ (Atlantic Ocean) Atlantic Ocean Greenland Sea 75°24′N 18°0′W﻿ / ﻿75.400°N 18.000°W﻿ / 75.400; -18.000﻿ (Greenland)  Greenland Shannon Island 75°1′N 18°0′W﻿ / ﻿75.017°N 18.000°W﻿ / 75.017; -18.000﻿ (Atlantic Ocean) Atlantic Ocean Greenland Sea 66°33′N 18°0′W﻿ / ﻿66.550°N 18.000°W﻿ / 66.550; -18.000﻿ (Iceland)  Iceland Island of Grímsey 66°31′N 18°0′W﻿ / ﻿66.517°N 18.000°W﻿ / 66.517; -18.000﻿ (Atlantic Ocean) Atlantic Ocean 66°9′N 18°0′W﻿ / ﻿66.150°N 18.000°W﻿ / 66.150; -18.000﻿ (Iceland)  Iceland 63°31′N 18°0′W﻿ / ﻿63.517°N 18.000°W﻿ / 63.517; -18.000﻿ (Atlantic Ocean) Atlantic Ocean 28°46′N 18°0′W﻿ / ﻿28.767°N 18.000°W﻿ / 28.767; -18.000﻿ (Spain)  Spain Island of La Palma 28°45′N 18°0′W﻿ / ﻿28.750°N 18.000°W﻿ / 28.750; -18.000﻿ (Atlantic Ocean) Atlantic Ocean 27°48′N 18°0′W﻿ / ﻿27.800°N 18.000°W﻿ / 27.800; -18.000﻿ (Spain)  Spain Island of El Hierro 27°38′N 18°0′W﻿ / ﻿27.633°N 18.000°W﻿ / 27.633; -18.000﻿ (Atlantic Ocean) Atlantic Ocean 60°0′S 18°0′W﻿ / ﻿60.000°S 18.000°W﻿ / -60.000; -18.000﻿ (Southern Ocean) Southern Ocean 72°32′S 18°0′W﻿ / ﻿72.533°S 18.000°W﻿ / -72.533; -18.000﻿ (Antarctica) Antarctica Queen Maud Land, claimed by Norway
  