The meridian 128° 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 128th meridian west forms a great circle with the 52nd meridian
east.
Starting at the North
Pole and heading south to the South Pole, the 128th meridian west passes
through:
| Co-ordinates | Country, territory or sea | Notes |
|---|---|---|
| 90°0′N 128°0′W / 90°N 128°W | Arctic Ocean | |
| 75°34′N 128°0′W / 75.567°N 128°W | Beaufort Sea | Passing just east of the Baillie Islands, Northwest Territories, |
| 70°34′N 128°0′W / 70.567°N 128°W | Northwest Territories Yukon British Columbia - mainland, Cunningham Island, Denny Island and Hunter Island |
|
| 51°54′N 128°0′W / 51.9°N 128°W | Fitz Hugh Sound | |
| 51°44′N 128°0′W / 51.733°N 128°W | British Columbia - Hecate Island and Calvert Island | |
| 51°28′N 128°0′W / 51.467°N 128°W | Pacific Ocean | Queen Charlotte Sound |
| 50°51′N 128°0′W / 50.85°N 128°W | British Columbia - Vancouver Island | |
| 50°28′N 128°0′W / 50.467°N 128°W | Pacific Ocean | Passing just east of Henderson Island,
|
| 60°0′S 128°0′W / 60°S 128°W | Southern Ocean | |
| 74°12′S 128°0′W / 74.2°S 128°W | Antarctica | Unclaimed territory |
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