How far is Portsmouth, NH from Merrimack, NH?

Distance by Flight

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

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

Driving distance

The driving distance from Portsmouth, New Hampshire to Merrimack, New Hampshire is: 54.35 miles (87.47 km) by car.

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

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#1 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
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#2 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

Estimated Travel Time Between Portsmouth and Merrimack

The distance between Portsmouth and Merrimack is 87 km if you choose to drive by road. You can go 00 hours 58 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 Portsmouth and Merrimack. The current time is 04:41:02.

Average Speed Travel Time
30 mph (48.3 km/h) 01 hours 48 minutes
40 mph (64.37 km/h) 01 hours 21 minutes
50 mph (80.47 km/h) 01 hours 05 minutes
60 mph (96.56 km/h) 00 hours 54 minutes
70 mph (112.65 km/h) 00 hours 46 minutes
75 mph (120.7 km/h) 00 hours 43 minutes
80 mph (128.75 km/h) 00 hours 40 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 7.26 liters (1.92 gallon) of gas to cover the route between Portsmouth and Merrimack.
The estimated cost of gas to go from Portsmouth to Merrimack is $6.7 (diesel $8.41).

New Hampshire gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.5 $3.96 $4.38 $4.38
Total $6.7 $7.6 $8.41 $8.41

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 New Hampshire ) per gallon of daily gas for calculations is $3.496 (Diesel $4.384) /gallon. Last changed prices on November 23, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Portsmouth and Merrimack (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 Portsmouth 50.03 miles (81 km)

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Driving distance from Claremont, NH to Portsmouth 104.27 miles (168 km)

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Driving distance from Concord, NH to Portsmouth 58.9 miles (95 km)

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Driving distance from Derry, NH to Portsmouth 41.73 miles (67 km)

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Driving distance from Dover, NH to Portsmouth 12.14 miles (20 km)

Driving distance from East Concord, NH to Portsmouth 46.13 miles (74 km)

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Driving distance from Goffstown, NH to Portsmouth 56.47 miles (91 km)

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Driving distance from Hooksett, NH to Portsmouth 49.9 miles (80 km)

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Driving distance from Hudson, NH to Portsmouth 54.46 miles (88 km)

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Driving distance from Keene, NH to Portsmouth 106.31 miles (171 km)

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Driving distance from Laconia, NH to Portsmouth 56.73 miles (91 km)

Gas Cost Calculator