42°

42nd meridian west

The meridian 42° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Greenland, the Atlantic Ocean, South America, the Southern Ocean, and Antarctica to the South Pole.

The 42nd meridian west forms a great circle with the 138th meridian east.

From Pole to Pole

Starting at the North Pole and heading south to the South Pole, the 42nd meridian west passes through:

Co-ordinates	Country, territory or sea	Notes
90°0′N 42°0′W / 90.000°N 42.000°W / 90.000; -42.000 (Arctic Ocean)	Arctic Ocean
83°40′N 42°0′W / 83.667°N 42.000°W / 83.667; -42.000 (Lincoln Sea)	Lincoln Sea
83°13′N 42°0′W / 83.217°N 42.000°W / 83.217; -42.000 (Greenland)	Greenland	Nansen Land
82°51′N 42°0′W / 82.850°N 42.000°W / 82.850; -42.000 (J.P. Koch Fjord)	J.P. Koch Fjord / Navarana Fjord
82°40′N 42°0′W / 82.667°N 42.000°W / 82.667; -42.000 (Greenland)	Greenland	Freuchen Land
62°43′N 42°0′W / 62.717°N 42.000°W / 62.717; -42.000 (Atlantic Ocean)	Atlantic Ocean
2°43′S 42°0′W / 2.717°S 42.000°W / -2.717; -42.000 (Brazil)	Brazil	Maranhão Piauí — from 3°14′S 42°0′W / 3.233°S 42.000°W / -3.233; -42.000 (Piauí) Bahia — from 9°13′S 42°0′W / 9.217°S 42.000°W / -9.217; -42.000 (Bahia) Minas Gerais — from 15°9′S 42°0′W / 15.150°S 42.000°W / -15.150; -42.000 (Minas Gerais) Rio de Janeiro — from 20°56′S 42°0′W / 20.933°S 42.000°W / -20.933; -42.000 (Rio de Janeiro), the mainland and Ilha do Cabo Frio
23°1′S 42°0′W / 23.017°S 42.000°W / -23.017; -42.000 (Atlantic Ocean)	Atlantic Ocean	Passing just east of the Shag Rocks,  South Georgia and the South Sandwich Islands (at 53°31′S 42°1′W / 53.517°S 42.017°W / -53.517; -42.017 (Shag Rocks)) Passing just west of Black Rock,  South Georgia and the South Sandwich Islands (at 53°39′S 41°49′W / 53.650°S 41.817°W / -53.650; -41.817 (Black Rock))
60°0′S 42°0′W / 60.000°S 42.000°W / -60.000; -42.000 (Southern Ocean)	Southern Ocean
77°40′S 42°0′W / 77.667°S 42.000°W / -77.667; -42.000 (Antarctica)	Antarctica	Claimed by both  Argentina (Argentine Antarctica) and  United Kingdom (British Antarctic Territory)