91st meridian west

The meridian 91° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Gulf of Mexico, Central America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.

The 91st meridian west forms a great circle with the 89th meridian east.

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 91st meridian west passes through:


 * {| class="wikitable plainrowheaders"

! scope="col" width="120" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Nansen Sound ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Norwegian Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Norwegian Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Parry Channel ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Prince Regent Inlet ! scope="row" style="background:#b0e0e6;" | Gulf of Boothia ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Hudson Bay ! scope="row" | 🇨🇦 ! scope="row" style="background:#b0e0e6;" | Hudson Bay ! scope="row" | 🇨🇦 ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Lake Superior ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Gulf of Mexico ! scope="row" | 🇲🇽 ! scope="row" | 🇬🇹 ! scope="row" | 🇲🇽 ! scope="row" | 🇬🇹 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" | 🇪🇨 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica
 * style="background:#b0e0e6;" | 90°N, -91°W
 * style="background:#b0e0e6;" | 90°N, -91°W
 * style="background:#b0e0e6;" |
 * 81.81667°N, -91°W
 * 81.81667°N, -91°W
 * Nunavut — Ellesmere Island
 * style="background:#b0e0e6;" | 81.53333°N, -91°W
 * style="background:#b0e0e6;" | 81.53333°N, -91°W
 * style="background:#b0e0e6;" |
 * 80.71667°N, -91°W
 * 80.71667°N, -91°W
 * Nunavut — Axel Heiberg Island
 * style="background:#b0e0e6;" | 78.13333°N, -91°W
 * style="background:#b0e0e6;" | 78.13333°N, -91°W
 * style="background:#b0e0e6;" |
 * 77.63333°N, -91°W
 * 77.63333°N, -91°W
 * Nunavut — Graham Island and Buckingham Island
 * style="background:#b0e0e6;" | 77.13333°N, -91°W
 * style="background:#b0e0e6;" | 77.13333°N, -91°W
 * style="background:#b0e0e6;" |
 * 76.65°N, -91°W
 * 76.65°N, -91°W
 * Nunavut — Devon Island
 * style="background:#b0e0e6;" | 74.7°N, -91°W
 * style="background:#b0e0e6;" | 74.7°N, -91°W
 * style="background:#b0e0e6;" | Barrow Strait
 * 74°N, -91°W
 * 74°N, -91°W
 * Nunavut — Somerset Island
 * style="background:#b0e0e6;" | 73.45°N, -91°W
 * style="background:#b0e0e6;" | 73.45°N, -91°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 71.5°N, -91°W
 * style="background:#b0e0e6;" | 71.5°N, -91°W
 * style="background:#b0e0e6;" |
 * 69.61667°N, -91°W
 * 69.61667°N, -91°W
 * Nunavut — mainland
 * style="background:#b0e0e6;" | 62.93333°N, -91°W
 * style="background:#b0e0e6;" | 62.93333°N, -91°W
 * style="background:#b0e0e6;" |
 * 62.66667°N, -91°W
 * 62.66667°N, -91°W
 * Nunavut — Marble Island
 * style="background:#b0e0e6;" | 62.65°N, -91°W
 * style="background:#b0e0e6;" | 62.65°N, -91°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * 57.26667°N, -91°W
 * Manitoba Ontario — from 55.58333°N, -91°W
 * 48.2°N, -91°W
 * 48.2°N, -91°W
 * Minnesota
 * style="background:#b0e0e6;" | 47.46667°N, -91°W
 * style="background:#b0e0e6;" | 47.46667°N, -91°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * 46.91667°N, -91°W
 * Wisconsin Iowa — from 42.71667°N, -91°W Illinois — from 41.43333°N, -91°W Iowa — from 41.15°N, -91°W Illinois — from 40.88333°N, -91°W Missouri — from 39.41667°N, -91°W Arkansas — from 36.5°N, -91°W Mississippi — from 33.96667°N, -91°W Arkansas — for about 2 km from 33.78333°N, -91°W on Beulah Island Number 74 Mississippi — from 33.76667°N, -91°W Louisiana — from 32.43333°N, -91°W Mississippi — for about 4 km from 32.38333°N, -91°W Louisiana — from 32.35°N, -91°W Mississippi — from 32.18333°N, -91°W Louisiana — from 31°N, -91°W
 * style="background:#b0e0e6;" | 29.16667°N, -91°W
 * style="background:#b0e0e6;" | 29.16667°N, -91°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * 19.11667°N, -91°W
 * Campeche Tabasco — from 17.95°N, -91°W, mostly running roughly parallel to the border with Guatemala, which is about 2 km further east
 * 17.25°N, -91°W
 * 17.25°N, -91°W
 * 16.88333°N, -91°W
 * 16.88333°N, -91°W
 * 16.88333°N, -91°W
 * Chiapas
 * 16.06667°N, -91°W
 * 16.06667°N, -91°W
 * -valign="top"
 * style="background:#b0e0e6;" | 13.91667°N, -91°W
 * style="background:#b0e0e6;" | 13.91667°N, -91°W
 * style="background:#b0e0e6;" | Passing just west of Pinta Island, Galápagos, 🇪🇨 (at 0.6°N, -90.78333°W) Passing just west of Santiago Island, Galápagos, 🇪🇨 (at -0.25°N, -90.86667°W)
 * -0.38333°N, -91°W
 * -0.38333°N, -91°W
 * Isabela Island, Galápagos
 * style="background:#b0e0e6;" | -0.96667°N, -91°W
 * style="background:#b0e0e6;" | -0.96667°N, -91°W
 * style="background:#b0e0e6;" |
 * -valign="top"
 * style="background:#b0e0e6;" | -60°N, -91°W
 * style="background:#b0e0e6;" | Passing just west of Peter I Island, claimed by 🇳🇴 (at -68.78333°N, -90.71667°W)
 * -72.53333°N, -91°W
 * -72.53333°N, -91°W
 * Unclaimed territory
 * }
 * }