18th meridian west
From Infogalactic: the planetary knowledge core
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:
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Co-ordinates Country, territory or sea Notes Lua error in package.lua at line 80: module 'strict' not found. Arctic Ocean Lua error in package.lua at line 80: module 'strict' not found. Greenland Prinsesse Margrethe Island, Prinsesse Dagmar Island, and mainland Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Greenland Sea Lua error in package.lua at line 80: module 'strict' not found. Greenland Bourbon Island Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Greenland Sea Lua error in package.lua at line 80: module 'strict' not found. Greenland Ile de France Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Greenland Sea Lua error in package.lua at line 80: module 'strict' not found. Greenland Shannon Island Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Greenland Sea Lua error in package.lua at line 80: module 'strict' not found. Iceland Island of Grímsey Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Lua error in package.lua at line 80: module 'strict' not found. Iceland Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Lua error in package.lua at line 80: module 'strict' not found. Spain Island of La Palma Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Lua error in package.lua at line 80: module 'strict' not found. Spain Island of El Hierro Lua error in package.lua at line 80: module 'strict' not found. Atlantic Ocean Lua error in package.lua at line 80: module 'strict' not found. Southern Ocean Lua error in package.lua at line 80: module 'strict' not found. Antarctica Queen Maud Land, claimed by Norway