42nd meridian west

The meridian 42° west of Greenwich is a line of longitude^[1] 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.

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)

• 41st meridian west
• 43rd meridian west