How far is Merrimack from Portsmouth?

Distance by Flight

Shortest distance between Merrimack and Portsmouth is 39.97 miles (64.33 km).

Flight distance from Merrimack, NH to Portsmouth, NH is 39.97 miles. Estimated flight time is 00 hours 06 minutes.

Driving distance

The driving distance from Merrimack, New Hampshire to Portsmouth, New Hampshire is: 55.05 miles (88.59 km) by car.

Driving from Merrimack to Portsmouth will take approximately 00 hours 58 minutes.

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#1 Merrimack

River in New Hampshire and Massachusetts, United States

Population 27452
GPS Coordinates 42°51'54"N 71°29'36"W
Latitude 42.8650900
Longitude -71.4934000
Altitude 47
Country United States
Portsmouth image
#2 Portsmouth

City in Rockingham County, New Hampshire, United States

Population 21557
GPS Coordinates 43°4'37"N 70°45'28"W
Latitude 43.0770400
Longitude -70.7576600
Altitude 6
Country United States

Estimated Travel Time Between Merrimack and Portsmouth

The distance between Merrimack and Portsmouth is 89 km if you choose to drive by road. You can go 00 hours 59 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 Merrimack and Portsmouth. The current time is 17:52:16.

Average Speed Travel Time
30 mph (48.3 km/h) 01 hours 50 minutes
40 mph (64.37 km/h) 01 hours 22 minutes
50 mph (80.47 km/h) 01 hours 06 minutes
60 mph (96.56 km/h) 00 hours 55 minutes
70 mph (112.65 km/h) 00 hours 47 minutes
75 mph (120.7 km/h) 00 hours 44 minutes
80 mph (128.75 km/h) 00 hours 41 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 7.35 liters (1.94 gallon) of gas to cover the route between Merrimack and Portsmouth.
The estimated cost of gas to go from Merrimack to Portsmouth is $6.35 (diesel $6.97).

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 per gallon of daily gas for calculations is $3.267 (Diesel $3.586) /gallon. Last changed prices on October 16, 2021.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Merrimack and Portsmouth (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from Bedford, NH to Merrimack 10.67 miles (17 km)

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Driving distance from Claremont, NH to Merrimack 72.87 miles (117 km)

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Driving distance from Concord, NH to Merrimack 27.49 miles (44 km)

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Driving distance from Derry, NH to Merrimack 14.36 miles (23 km)

Driving distance from Derry Village, NH to Merrimack 12.77 miles (21 km)

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Driving distance from Dover, NH to Merrimack 49.53 miles (80 km)

Driving distance from East Concord, NH to Merrimack 29.7 miles (48 km)

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Driving distance from Goffstown, NH to Merrimack 17.12 miles (28 km)

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Driving distance from Hooksett, NH to Merrimack 18.6 miles (30 km)

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Driving distance from Hudson, NH to Merrimack 8.86 miles (14 km)

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Driving distance from Keene, NH to Merrimack 51.78 miles (83 km)

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Driving distance from Laconia, NH to Merrimack 53.96 miles (87 km)

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