Is Boise a good place to visit?

Yes, it is known for its outdoor activities, growing culinary scene, and friendly atmosphere.

How far is Boise from Seattle?

It is approximately 500 miles by road from Seattle.

Does Boise have an airport?

Yes, the Boise Airport (BOI) offers commercial flights.

What is the best route to Boise?

I-90 East and I-84 East is the most direct and common route.

Are there trains to Boise?

No, there is no direct passenger rail service to Boise.

Port Townsend

Boise

Driving

Port Townsend to Boise

Updated: 28 May 2026

The journey from Port Townsend to Boise covers approximately 500 miles. The most practical way to travel is by driving via I-90 East and I-84 East. This route takes you through the scenic landscapes of Washington and Idaho, passing through mountain passes and the high desert. The drive takes approximately 8 to 9 hours depending on traffic. Boise is the capital of Idaho and is known for its outdoor recreation and growing culinary scene.

Total Distance: 800 km driving distance; 550 km straight-line air distance.

Fastest Way

Driving is the fastest method, taking approximately 9 hours including the ferry.

Cheapest Way

Driving your own vehicle is the most cost-effective way to reach Boise.

Compare Port Townsend to Boise Routes

Driving

Direct

Duration

9 hours

Avg Price

100-150 USD

Operator

Personal Vehicle

Route

WA-20, I-5, I-90 East, I-84 East.

Plan for potential traffic delays in the Seattle metropolitan area.

Travel Tips

Ferry Reservations
Book your ferry crossing in advance to ensure a smooth start to your trip.
Traffic
Avoid driving through Seattle during peak rush hours to save time.
Fueling
Fill up your tank before leaving the Puget Sound area to avoid higher prices along the route.
Route Planning
Use a GPS app to monitor traffic on I-90 and I-84 and find alternative routes if necessary.
Accommodation
Book your hotel in advance, especially during university events or summer festivals.

Safety Tips

Vehicle Maintenance
Check your tire pressure and fluid levels before embarking on a long-distance drive.
Driving Fatigue
If driving, ensure you are well-rested and take frequent breaks.
Emergency Kit
Keep a basic emergency kit including water, snacks, and a flashlight in your vehicle.
Weather Awareness
Check for mountain pass conditions, especially during the autumn and winter months.