How long is the drive?

It typically takes 7 hours of driving time.

Is it a scenic route?

The route is very scenic, with mountain passes and river valleys.

There are no tolls on this route.

What is the best way to travel?

Driving is the most practical and flexible method.

Is it safe to drive alone?

Yes, but ensure your vehicle is well-maintained and you have a plan.

Olympia

Missoula

Driving

Olympia to Missoula

Updated: 28 May 2026

The journey from Olympia to Missoula covers approximately 650 kilometers, primarily using I-90 East. This is a scenic road trip that takes you through Washington and Idaho before entering Montana. Expect a driving time of at least 7 hours of pure driving. You will pass through the beautiful Cascade Mountains and the Bitterroot Range.

Total Distance: 650 km driving, 550 km air distance.

Fastest Way

Driving is the most practical method at 7 hours.

Cheapest Way

Driving your own vehicle is the most cost-effective method.

Compare Olympia to Missoula Routes

Driving

Direct

Duration

7 hours

Avg Price

$80-$120 in fuel

Operator

Personal Vehicle

Route

I-90 East.

Plan your stops in advance; the I-90 corridor has many hotels and restaurants.

Travel Tips

Road Trip Planning
Check mountain pass conditions before leaving, especially in winter.
Traffic
Traffic is generally light, but be aware of construction in the summer.
Fuel
Gas prices are reasonable; fill up in larger towns along I-90.
Accommodation
Book hotels in advance, especially during peak tourist season.
Weather
Be prepared for diverse weather, from rain in Washington to snow in the mountains.