Driving
Plymouth to Portsmouth
Updated: 28 May 2026
The journey from Plymouth to Portsmouth covers approximately 160 kilometers, primarily using I-93 South and NH-101 East. This route takes you from the mountains to the coast. The drive typically takes 2 hours. Portsmouth is a historic coastal city known for its maritime heritage, vibrant downtown, and beautiful harbor. Plan your departure to avoid peak traffic times on the highways leading into the coastal region.
Total Distance: 160 km driving distance, 140 km straight-line air distance.
Fastest Way
Driving via I-93 and NH-101 is the fastest route, taking 2 hours.
Cheapest Way
Driving your own vehicle is the most economical option.
Compare Plymouth to Portsmouth Routes
Driving
Direct
Duration
2 hours
Avg Price
$20-$30 in fuel
Operator
Personal Vehicle
Route
I-93 South to NH-101 East.
NH-101 can be busy; check traffic before you leave.
Travel Tips
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Traffic PlanningAvoid NH-101 during rush hour if possible.
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ParkingUse the public parking garages in downtown Portsmouth.
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DiningTry the local seafood restaurants for fresh catches.
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WeatherBe prepared for coastal breezes and cooler temperatures.
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WalkingPortsmouth is very walkable; wear comfortable shoes.
Safety Tips
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Highway VigilanceStay alert for heavy traffic on NH-101.
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Emergency PrepKeep a roadside kit in your vehicle.
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Sun SafetyUse sunscreen when spending time on the water.
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Vehicle CheckCheck your fluids before the long drive.
People Also Ask
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Is there a bus to Portsmouth?No, there is no direct public bus service from Plymouth.
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How long is the drive?The drive takes about 2 hours.
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Are there tolls?Yes, there may be tolls on some routes; check your GPS.
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What is the best time to visit?Summer is ideal for coastal activities.
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Is it a safe drive?Yes, it is a standard highway route.
Quick Info
- From Plymouth, New Hampshire, United States
- To Portsmouth, New Hampshire, United States
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Modes
Best Time to Travel
Summer for the coastal activities and harbor tours.
Things to Do in Portsmouth
1
Strawbery Banke Museum
Explore the historic neighborhood and learn about the city's past. It is a living history museum.
2
Prescott Park
Enjoy the beautiful gardens and waterfront views. It is a perfect spot for a picnic.
3
Market Square
Walk through the historic downtown filled with shops and restaurants. It is the heart of the city.
4
Portsmouth Harbor Cruises
Take a boat tour to see the lighthouses and harbor. It is a great way to experience the coast.
Tags
Plymouth to Portsmouth
I-93 to NH-101
Portsmouth travel
New Hampshire road trip
driving to Portsmouth
Plymouth to Portsmouth distance
NH highway guide
Portsmouth tourism
