Distance from Watertown, MA to Portsmouth, NH

Driving distance from Watertown, MA to Portsmouth, NH is 69 miles (110 km). How far is it from Watertown, MA to Portsmouth, NH? It's a 01 hours 14 minutes drive by car. Flight distance is approximately 53 miles (85 km) and flight time from Watertown, MA to Portsmouth, NH is 06 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.

Driving distance
69 Miles
/
110 Km
Driving distance
Gas consumption
2.76 Gallons
10.45 Litres
Gas consumption
Flight distance
53 Miles
/
85 Km
Flight distance

How far is it from Watertown, MA to Portsmouth, NH?

To travel the distance from Watertown, MA to Portsmouth, NH, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.

Book a Hotel for your trip to Portsmouth, NH

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Last distance calculations