The meridian 103° 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. In the United States, the border between New Mexico and Oklahoma is defined by the meridian. The 103rd meridian west forms a great circle with the 77th meridian east. From Pole to Pole Starting at the North Pole and heading south to the South Pole, the 103rd 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;" | ! scope="row" style="background:#b0e0e6;" | Arctic Ocean | style="background:#b0e0e6;" | |- | ! scope="row" | | Nunavut — Ellef Ringnes Island and Thor Island |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Maclean Strait | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Unnamed waterbody | style="background:#b0e0e6;" | |- | ! scope="row" | | Nunavut — Cameron Island, Île Vanier, Massey Island and Alexander Island |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Austin Channel | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Parry Channel | style="background:#b0e0e6;" | Viscount Melville Sound |-valign="top" | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | M'Clintock Channel | style="background:#b0e0e6;" | Passing just west of Prince of Wales Island, Nunavut, (at ) |- | ! scope="row" | | Nunavut — Victoria |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Queen Maud Gulf | style="background:#b0e0e6;" | |-valign="top" | ! scope="row" | | Nunavut Northwest Territories — from Saskatchewan — from |-valign="top" | ! scope="row" | | North Dakota South Dakota — from Nebraska — from Colorado — from New Mexico / Oklahoma border — from Texas — from |-valign="top" | ! scope="row" | | Coahuila Durango — from Zacatecas — from Jalisco — from Michoacán — from Jalisco — from , passing through Lake Chapala Michoacán — from |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Pacific Ocean | style="background:#b0e0e6;" | |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Southern Ocean | style="background:#b0e0e6;" | |- | ! scope="row" | Antarctica | Unclaimed territory |- | style="background:#b0e0e6;" | ! scope="row" style="background:#b0e0e6;" | Southern Ocean | style="background:#b0e0e6;" | Amundsen Sea |- | ! scope="row" | Antarctica | Unclaimed territory |- |} See also 102nd meridian west 104th meridian west w103 meridian west Borders of Oklahoma Borders of