Final answer:
Jefferson City is located furthest west among the four U.S. state capitals named after U.S. presidents.
Step-by-step explanation:
Out of the four U.S. state capitals named after U.S. presidents, Jefferson City is located furthest west.
Jefferson City is the capital of Missouri and it is situated on the western side of the state. The other three state capitals are located further east: Washington, D.C., Lincoln (capital of Nebraska), and Madison (capital of Wisconsin).