Shortest distance between Westerly and Portsmouth is 33.66 miles (54.16 km).
Flight distance from Westerly, RI to Portsmouth, RI is 33.66 miles. Estimated flight time is 00 hours 05 minutes.
The driving distance from Westerly, Rhode Island to Portsmouth, Rhode Island is: 46.48 miles (74.81 km) by car.
Driving from Westerly to Portsmouth will take approximately 01 hours 06 minutes.
The distance between Westerly and Portsmouth is 75 km if you choose to drive by road. You can go 00 hours 49 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Westerly and Portsmouth. The current time is 16:58:57.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||01 hours 32 minutes|
|40 mph (64.37 km/h)||01 hours 09 minutes|
|50 mph (80.47 km/h)||00 hours 55 minutes|
|60 mph (96.56 km/h)||00 hours 46 minutes|
|70 mph (112.65 km/h)||00 hours 39 minutes|
|75 mph (120.7 km/h)||00 hours 37 minutes|
|80 mph (128.75 km/h)||00 hours 34 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 6.21 liters (1.64 gallon) of gas to cover the route between Westerly and Portsmouth.
The estimated cost of gas to go from Westerly to Portsmouth is $6.09 (diesel $7.45).
Rhode Island gas prices.
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Rhode Island ) per gallon of daily gas for calculations is $3.711 (Diesel $4.541) /gallon. Last changed prices on October 01, 2023.
The place names are translated into coordinates to approximate the distance between Westerly and Portsmouth (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.