How long is the drive?

The drive takes about 50 minutes under normal conditions.

No, there is no direct passenger train service between these two cities.

Yes, I-95 has tolls between Maine and New Hampshire.

What is the best time to visit?

Summer and early fall are the most pleasant times.

Is Portsmouth walkable?

Yes, the downtown area is very walkable and charming.

Portland

Portsmouth

Driving

Portland to Portsmouth

Updated: 30 May 2026

The trip from Portland, Maine to Portsmouth, New Hampshire is a 50-mile drive south along the coast. You will take I-95 South, crossing the border into New Hampshire. The drive typically takes about 50 minutes. This is a popular route for those exploring the historic coastal towns of New England.

Total Distance: Driving distance 80 km, straight-line air distance 70 km.

Fastest Way

Driving via I-95 is the fastest, taking about 50 minutes.

Cheapest Way

Driving your own vehicle is the most convenient and cost-effective option.

Compare Portland to Portsmouth Routes

Driving

Direct

Duration

50 mins

Avg Price

$10 - $15 (fuel)

Operator

Personal Vehicle

Route

I-95 South.

Be prepared for tolls at the Maine-New Hampshire border.

Travel Tips

Tolls
Have your E-ZPass ready for the tolls on I-95.
Parking
Portsmouth can be busy; use the public parking garages downtown.
Navigation
The route is very straightforward; just stay on I-95 South.
Weather
Coastal weather can be breezy; bring a light jacket.
Dining
Portsmouth is famous for its seafood; try the local restaurants near the harbor.

Safety Tips

Road Safety
Be cautious of heavy traffic during summer weekends.
Emergency
Keep your phone charged and have a car charger available.
Visibility
Use your headlights during foggy coastal mornings.
Preparation
Ensure your vehicle is in good working order before any highway trip.