title: 158th meridian west
text: # 158th meridian west
  
  The meridian 158° 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 158th meridian west forms a great circle with the 22nd meridian east.
  
  It is the western boundary of continuous Class E airspace between 14, 500 feet and 18, 000 feet MSL (Mean Sea Level) over Alaska.
  
  ## From Pole to Pole
  
  Starting at the North Pole and heading south to the South Pole, the 158th meridian west passes through:
  
      Co-ordinates Country, territory or sea Notes 90°0′N 158°0′W﻿ / ﻿90.000°N 158.000°W﻿ / 90.000; -158.000﻿ (Arctic Ocean) Arctic Ocean 70°50′N 158°0′W﻿ / ﻿70.833°N 158.000°W﻿ / 70.833; -158.000﻿ (Chukchi Sea) Chukchi Sea 71°12′N 158°0′W﻿ / ﻿71.200°N 158.000°W﻿ / 71.200; -158.000﻿ (United States)  United States Alaska 58°38′N 158°0′W﻿ / ﻿58.633°N 158.000°W﻿ / 58.633; -158.000﻿ (Bering Sea) Bering Sea Bristol Bay 57°24′N 158°0′W﻿ / ﻿57.400°N 158.000°W﻿ / 57.400; -158.000﻿ (United States)  United States Alaska — Alaska Peninsula 56°30′N 158°0′W﻿ / ﻿56.500°N 158.000°W﻿ / 56.500; -158.000﻿ (Pacific Ocean) Pacific Ocean Passing just west of Nakchamik Island, Alaska, United States (at 56°20′N 157°54′W﻿ / ﻿56.333°N 157.900°W﻿ / 56.333; -157.900﻿ (Nakchamik Island)) Passing just east of Castle Cape, Alaska Peninsula, United States (at 56°14′N 158°7′W﻿ / ﻿56.233°N 158.117°W﻿ / 56.233; -158.117﻿ (Castle Cape)) Passing just east of Chankliut Island, Alaska, United States (at 56°9′N 158°6′W﻿ / ﻿56.150°N 158.100°W﻿ / 56.150; -158.100﻿ (Chankliut Island)) 21°42′N 158°0′W﻿ / ﻿21.700°N 158.000°W﻿ / 21.700; -158.000﻿ (United States)  United States Hawaii — Oahu island 21°18′N 158°0′W﻿ / ﻿21.300°N 158.000°W﻿ / 21.300; -158.000﻿ (Pacific Ocean) Pacific Ocean Passing just west of Kiritimati island, Kiribati (at 1°52′N 157°51′W﻿ / ﻿1.867°N 157.850°W﻿ / 1.867; -157.850﻿ (Kiritimati)) 8°56′S 158°0′W﻿ / ﻿8.933°S 158.000°W﻿ / -8.933; -158.000﻿ (Cook Islands)  Cook Islands Penrhyn Island 9°4′S 158°0′W﻿ / ﻿9.067°S 158.000°W﻿ / -9.067; -158.000﻿ (Pacific Ocean) Pacific Ocean Passing just east of Atiu island, Cook Islands (at 20°0′S 158°4′W﻿ / ﻿20.000°S 158.067°W﻿ / -20.000; -158.067﻿ (Attu Island)) Passing just west of Mangaia island, Cook Islands (at 21°55′S 157°58′W﻿ / ﻿21.917°S 157.967°W﻿ / -21.917; -157.967﻿ (Nakchamik Island)) 60°0′S 158°0′W﻿ / ﻿60.000°S 158.000°W﻿ / -60.000; -158.000﻿ (Southern Ocean) Southern Ocean 77°45′S 158°0′W﻿ / ﻿77.750°S 158.000°W﻿ / -77.750; -158.000﻿ (Antarctica) Antarctica Ross Dependency, claimed by New Zealand
  