The meridian 179° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, Asia, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole.
The 179th meridian west forms a great circle with the 1st meridian east.
Starting at the North Pole and heading south to the South Pole, the 179th meridian west passes through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| Arctic Ocean | ||
| Russia | Wrangel Island | |
| Chukchi Sea | ||
| Russia | ||
| Bering Sea | Passing just west of Gareloi Island, Alaska, United States Passing between Unalga and Kavalga islands, Alaska, United States Passing just west of Ulak Island, Alaska, United States Passing just east of Amatignak Island, Alaska, United States |
|
| Pacific Ocean | Passing just east of the island of Qelelevu, Fiji | |
| Fiji | Island of Vanua Balavu | |
| Pacific Ocean | Passing close by several of the Lau Islands, Fiji Passing just west of the island of Ono-i-Lau, Fiji |
|
| Southern Ocean | ||
| Antarctica | Ross Dependency, claimed by New Zealand |
|
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