143rd meridian west

The meridian 143° 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.

The 143rd meridian west line forms a great circle with the 37th meridian east.

From Pole to Pole
Starting at the North Pole and heading south to the South Pole, the 143rd meridian west passes through:


 * {| class="wikitable plainrowheaders"

! scope="col" width="130" | Co-ordinates ! scope="col" | Country, territory or sea ! scope="col" | Notes ! scope="row" style="background:#b0e0e6;" | Arctic Ocean ! scope="row" style="background:#b0e0e6;" | Beaufort Sea ! scope="row" | 🇺🇸 ! scope="row" style="background:#b0e0e6;" | Pacific Ocean ! scope="row" style="background:#b0e0e6;" | Southern Ocean ! scope="row" | Antarctica
 * style="background:#b0e0e6;" | 90°N, -143°W
 * style="background:#b0e0e6;" | 90°N, -143°W
 * style="background:#b0e0e6;" |
 * style="background:#b0e0e6;" | 73.36667°N, -143°W
 * style="background:#b0e0e6;" | 73.36667°N, -143°W
 * style="background:#b0e0e6;" |
 * 70.08333°N, -143°W
 * 70.08333°N, -143°W
 * Alaska
 * -valign="top"
 * style="background:#b0e0e6;" | 60.08333°N, -143°W
 * style="background:#b0e0e6;" | Passing just east of Taenga atoll, 🇵🇫 (at -16.4°N, -143.01667°W) Passing just west of Nihiru atoll, 🇵🇫 (at -16.71667°N, -142.88333°W) Passing just east of Marutea Nord atoll, 🇵🇫 (at -17°N, -143.05°W) Passing just east of Reitoru atoll, 🇵🇫 (at -17.85°N, -143.05°W) Passing just east of Nukutepipi atoll, 🇵🇫 (at -20.7°N, -143.06667°W)
 * style="background:#b0e0e6;" | -60°N, -143°W
 * style="background:#b0e0e6;" | -60°N, -143°W
 * style="background:#b0e0e6;" |
 * -75.51667°N, -143°W
 * -75.51667°N, -143°W
 * Unclaimed territory
 * }
 * }