104th meridian west

Line of longitude August 2025 -104 The meridian 104° west of Greenwich is a line of longitudeWhat is longitude? https://oceanservice.noaa.gov/facts/longitude.html oceanservice.noaa.gov 1 July 2025 en 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 104th meridian west forms a great circle with the 76th meridian east. In the United States, the western boundaries of North Dakota, South Dakota, and Nebraska and the eastern boundaries of Montana and Wyoming lie on the meridian 27° west of Washington, which is a couple of miles west of the meridian 104° west of Greenwich. In Colorado, the meridian 104° west of Greenwich roughly defines the eastern extent of the region of high plains protected by the Southern Rocky Mountains. From Pole to Pole Starting at the North Pole and heading south to the South Pole, the 104th meridian west passes through: {| class="wikitable plainrowheaders" ! scope="col" width="130" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes |- | style="background:#b0e0e6;" | 90 0 N 104 0 W type:waterbody Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Arctic Ocean | style="background:#b0e0e6;" | |- | 79 22 N 104 0 W type:country Canada ! scope="row" | | Nunavut — Ellef Ringnes Island |- | style="background:#b0e0e6;" | 78 14 N 104 0 W type:waterbody Maclean Strait ! scope="row" style="background:#b0e0e6;" | Maclean Strait | style="background:#b0e0e6;" | |- | 77 9 N 104 0 W type:country Canada ! scope="row" | | Nunavut — Edmund Walker Island |- | style="background:#b0e0e6;" | 77 7 N 104 0 W type:waterbody Desbarats Strait ! scope="row" style="background:#b0e0e6;" | Desbarats Strait | style="background:#b0e0e6;" | |- | 76 40 N 104 0 W type:country Canada ! scope="row" | | Nunavut — Cameron Island and Île Vanier |-valign="top" | style="background:#b0e0e6;" | 76 2 N 104 0 W type:waterbody Byam Martin Channel ! scope="row" style="background:#b0e0e6;" | Byam Martin Channel | style="background:#b0e0e6;" | Passing just west of Massey Island, Nunavut, (at 75 56 N 103 55 W type:isle Massey Island) Passing just west of Île Marc, Nunavut, (at 75 52 N 103 48 W type:isle Île Marc) |- | style="background:#b0e0e6;" | 75 40 N 104 0 W type:waterbody Austin Channel ! scope="row" style="background:#b0e0e6;" | Austin Channel | style="background:#b0e0e6;" | |- | 75 24 N 104 0 W type:country Canada ! scope="row" | | Nunavut — Byam Martin Island |- | style="background:#b0e0e6;" | 75 3 N 104 0 W type:waterbody Parry Channel ! scope="row" style="background:#b0e0e6;" | Parry Channel | style="background:#b0e0e6;" | Viscount Melville Sound |- | style="background:#b0e0e6;" | 73 25 N 104 0 W type:waterbody M'Clintock Channel ! scope="row" style="background:#b0e0e6;" | M'Clintock Channel | style="background:#b0e0e6;" | |- | 70 46 N 104 0 W type:country Canada ! scope="row" | | Nunavut — Victoria Island |- | style="background:#b0e0e6;" | 68 52 N 104 0 W type:waterbody Queen Maud Gulf ! scope="row" style="background:#b0e0e6;" | Queen Maud Gulf | style="background:#b0e0e6;" | |-valign="top" | 68 3 N 104 0 W type:country Canada ! scope="row" | | Nunavut Northwest Territories — from 64 24 N 104 0 W type:adm1st Northwest Territories Saskatchewan — from 60 0 N 104 0 W type:adm1st Saskatchewan |-valign="top" | 49 0 N 104 0 W type:country United States ! scope="row" | | North Dakota South Dakota — from 45 56 N 104 0 W type:adm1st South Dakota Nebraska — from 43 0 N 104 0 W type:adm1st Nebraska Colorado — from 41 0 N 104 0 W type:adm1st Colorado New Mexico — from 37 0 N 104 0 W type:adm1st New Mexico Texas — from 32 0 N 104 0 W type:adm1st Texas |-valign="top" | 29 18 N 104 0 W type:country Mexico ! scope="row" | | Chihuahua Durango — from 26 46 N 104 0 W type:adm1st Durango Zacatecas — from 23 31 N 104 0 W type:adm1st Zacatecas Jalisco — from 22 21 N 104 0 W type:adm1st Jalisco Nayarit — from 21 27 N 104 0 W type:adm1st Nayarit Jalisco — from 21 15 N 104 0 W type:adm1st Jalisco Colima — from 19 26 N 104 0 W type:adm1st Colima |- | style="background:#b0e0e6;" | 18 53 N 104 0 W type:waterbody Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Pacific Ocean | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | 60 0 S 104 0 W type:waterbody Southern Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean | style="background:#b0e0e6;" | |- | 74 44 S 104 0 W type:country Antarctica ! scope="row" | Antarctica | Unclaimed territory |- |} See also 103rd meridian west 105th meridian west References collapsed w104 meridian west