Portsmouth and Boston are separated by a distance of approximately 53.1 mi in a straight line.
See also the distance Portsmouth, RI to Boston, MA calculated for a road trip (by car) , calculated for a bike ride , walk or public transport (bus, Metro, Train, Tram).
You also have the travel duration from Portsmouth top Boston and the cost of fuel (gasoline or diesel) to cover the distance between Portsmouth and Boston.
Distance (by car) between Portsmouth and Boston : .
Travel duration : .
Cost Fuel (Diesel): .
Cost Fuel (Petrol) : .
How to go to Portsmouth by bus from any cities or places ? What is the best route from Boston to Portsmouth ? If you just wondering how far is Portsmouth from Boston ? You can find answers at these questions on this page and even more information like duration of the trip, the shorter and faster routes. Below, you have links to rent a car in Portsmouth or Boston if needed.

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| - | Portsmouth | Boston |
|---|---|---|
| State | Rhode Island | Massachusetts |
| Population | 17,756 Habitants | 667,137 inhabitants |
| Average altitude | 21 m | 38 m |
| Longitude | -71.2503300 | -71.0597700 |
| Latitude | 41.6023200 | 42.3584300 |
| Distance in straight line | 53.1 mi | |
| Distance by car | ||
| Travel duration (by car) | ||
| Distance by bike | ||
| Travel duration (by bike) | ||
Alternates names : Pocasset, Portsmouth, Portsmut, bwrtsmwth, potsumasu, Портсмут, بورتسموث, پورٹسماؤت، روڈ آئلینڈ, ポーツマス
| Cities | Population | Distance from Boston, RI |
|---|---|---|
| Fall River, MA | 88,777 inhabitants | 14 km |
| Bristol, RI | 22,795 inhabitants | 8 km |
| Portsmouth, RI | 17,756 inhabitants | 0 km |
| Middletown, RI | 17,303 inhabitants | 7 km |
| Newport East, RI | 11,769 inhabitants | 10 km |
| Tiverton, RI | 7,557 inhabitants | 4 km |
| Melville, RI | 1,320 inhabitants | 3 km |