The meridian 154° 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 154th meridian west forms a great circle with the 26th meridian east.
Starting at the North Pole and heading south to the South Pole, the 154th meridian west passes through:
| Co-ordinates | Country, territory or sea | Notes | |
|---|---|---|---|
| Arctic Ocean | |||
| Beaufort Sea | |||
| Alaska | |||
| Kamishak Bay | |||
| Alaska | |||
| Shelikof Strait | |||
| Alaska — Kodiak Island | |||
| Pacific Ocean | |||
| Alaska — Sitkinak Island | |||
| Pacific Ocean | Passing just west of Maupihaa atoll, (at) | ||
| Southern Ocean | |||
| Antarctica | Ross Dependency, claimed by |