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.
#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 |
#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 |
Ending point in Merrimack: (-71.493333,42.865106)
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 17:55:12.
| 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 April 26, 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
Driving distance from Derry Village, NH to Portsmouth 40.6 miles (65 km)
Driving distance from East Concord, NH to Portsmouth 46.13 miles (74 km)
