How far is Franklin, NH from Portsmouth, NH?
Distance by Flight
Shortest distance between Franklin and Portsmouth is 51.45 miles (82.81 km).
Flight distance from Franklin, NH to Portsmouth, NH is 51.45 miles. Estimated flight time is 00 hours 09 minutes.
It takes 00 hours 08 minutes to travel from Franklin to Portsmouth with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Franklin, New Hampshire to Portsmouth, New Hampshire is: 80.5 miles (129.55 km) by car.
Driving from Franklin to Portsmouth will take approximately 01 hours 21 minutes.
#1 Franklin
City in Merrimack County, New Hampshire, USA
| Population | 8753 |
|---|---|
| GPS Coordinates | 43°26'39"N 71°38'50"W |
| Latitude | 43.4442400 |
| Longitude | -71.6473000 |
| Altitude | 94 |
| Country | United States |
#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 |
Ending point in Portsmouth: Congress Street (-70.757617,43.077054)
Estimated Travel Time Between Franklin and Portsmouth
The distance between Franklin and Portsmouth is 130 km if you choose to drive by road. You can go 01 hours 26 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 Franklin and Portsmouth. The current time is 00:43:28.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 02 hours 40 minutes |
| 40 mph (64.37 km/h) | 02 hours 00 minutes |
| 50 mph (80.47 km/h) | 01 hours 36 minutes |
| 60 mph (96.56 km/h) | 01 hours 20 minutes |
| 70 mph (112.65 km/h) | 01 hours 08 minutes |
| 75 mph (120.7 km/h) | 01 hours 04 minutes |
| 80 mph (128.75 km/h) | 01 hours 00 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 10.75 liters (2.84 gallon) of gas to cover the route between Franklin and Portsmouth.
The estimated cost of gas to go from Franklin to Portsmouth is $9.93 (diesel $12.45).
New Hampshire gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.5 | $3.96 | $4.38 | $4.38 |
| Total | $9.93 | $11.25 | $12.45 | $12.45 |
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 December 31, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Franklin 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
Driving distance from Derry Village, NH to Franklin 47.9 miles (77 km)
Driving distance from East Concord, NH to Franklin 19.33 miles (31 km)
