How far is Gilmanton, NH from Portsmouth, NH?

Distance by Flight

Shortest distance between Gilmanton and Portsmouth is 40.84 miles (65.73 km).

Flight distance from Gilmanton, NH to Portsmouth, NH is 40.84 miles. Estimated flight time is 00 hours 05 minutes.

Driving distance

The driving distance from Gilmanton, New Hampshire to Portsmouth, New Hampshire is: 48.32 miles (77.76 km) by car.

Driving from Gilmanton to Portsmouth will take approximately 01 hours 06 minutes.

Portsmouth image
#1 Gilmanton

Town in Belknap County, New Hampshire, United States

Population 3797
GPS Coordinates 43°25'27"N 71°24'52"W
Latitude 43.4242500
Longitude -71.4145200
Altitude 303
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 Gilmanton and Portsmouth

The distance between Gilmanton and Portsmouth is 78 km if you choose to drive by road. You can go 00 hours 51 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 Gilmanton and Portsmouth. The current time is 22:56:35.

Average Speed Travel Time
30 mph (48.3 km/h) 01 hours 36 minutes
40 mph (64.37 km/h) 01 hours 12 minutes
50 mph (80.47 km/h) 00 hours 57 minutes
60 mph (96.56 km/h) 00 hours 48 minutes
70 mph (112.65 km/h) 00 hours 41 minutes
75 mph (120.7 km/h) 00 hours 38 minutes
80 mph (128.75 km/h) 00 hours 36 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 6.45 liters (1.7 gallon) of gas to cover the route between Gilmanton and Portsmouth.
The estimated cost of gas to go from Gilmanton to Portsmouth is $5.96 (diesel $7.47).

New Hampshire gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.5 $3.96 $4.38 $4.38
Total $5.96 $6.75 $7.47 $7.47

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 Gilmanton 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

Portsmouth image

Driving distance from Bedford, NH to Gilmanton 41.92 miles (67 km)

Portsmouth image

Driving distance from Concord, NH to Gilmanton 19.55 miles (31 km)

Portsmouth image

Driving distance from Derry, NH to Gilmanton 47.62 miles (77 km)

Driving distance from Derry Village, NH to Gilmanton 46.82 miles (75 km)

Portsmouth image

Driving distance from Dover, NH to Gilmanton 38.72 miles (62 km)

Driving distance from East Concord, NH to Gilmanton 19.34 miles (31 km)

Portsmouth image

Driving distance from Keene, NH to Gilmanton 72.78 miles (117 km)

Portsmouth image

Driving distance from Londonderry, NH to Gilmanton 47.35 miles (76 km)

Portsmouth image

Driving distance from Manchester, NH to Gilmanton 36.26 miles (58 km)

Portsmouth image
Portsmouth image

Driving distance from Merrimack, NH to Gilmanton 46.22 miles (74 km)

Portsmouth image

Driving distance from Nashua, NH to Gilmanton 53.99 miles (87 km)

Gas Cost Calculator