Olympia, Washington (122.9° W) is the westernmost state capital in the contiguous United States.
| Capital | State | Longitude |
|---|---|---|
| Olympia | WA | 122.90° W |
| Salem | OR | 123.04° W |
| Sacramento | CA | 121.49° W |
| Carson City | NV | 119.77° W |
| Boise | ID | 116.20° W |
Note: Salem, OR (123.04° W) is actually slightly farther west than Olympia, but both are west of Carson City. The westernmost is Salem (by a hair), followed by Olympia. Carson City ranks 4th.
(Juneau, AK at 134.4° W is the overall U.S. westernmost capital.)