Driving
Williston to Portsmouth
Updated: 31 May 2026
Portsmouth is a coastal city in New Hampshire, located about 210 miles from Williston. The drive takes about 3.5 hours via I-89 South and US-4 East. It is a beautiful and historic city.
Total Distance: 340 km driving, 270 km air distance.
Fastest Way
Driving takes 3.5 hours.
Cheapest Way
Driving is the most practical way.
Compare Williston to Portsmouth Routes
Driving
Direct
Duration
3.5 hours
Avg Price
$50 in fuel
Operator
Personal Vehicle
Route
I-89 S to US-4 E.
The route is very scenic.
Travel Tips
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ParkingStreet parking is available downtown.
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DiningPortsmouth has a world-class food scene.
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TrafficExpect traffic in the summer.
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WalkingThe downtown area is very walkable.
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EventsCheck the city website for local events.
Safety Tips
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Highway DrivingBe careful on the highways.
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Winter DrivingSnow tires are recommended.
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Road ConditionsCheck for construction on the route.
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Emergency ServicesPortsmouth has full emergency services.
People Also Ask
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How far is it?It is about 210 miles.
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Is it a big city?It is a major city in NH.
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Is there a bus?Yes, regional bus service is available.
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What is the best route?I-89 to US-4 is the best.
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Is it safe?Yes, it is a safe city.
Quick Info
- From Williston, Vermont, United States
- To Portsmouth, New Hampshire, United States
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Modes
Best Time to Travel
Summer for the coastal atmosphere.
Things to Do in Portsmouth
1
Strawbery Banke Museum
Explore the historic museum.
2
Prescott Park
Enjoy the beautiful park.
3
Market Square
Explore the historic square.
4
Portsmouth Harbor
Enjoy the views and boat tours.
Tags
Williston to Portsmouth
Portsmouth travel
New Hampshire cities
Williston to Portsmouth distance
driving in New England
I-89 travel
Portsmouth guide
Williston transport
