How far is Londonderry, NH from Portsmouth, NH?
Distance by Flight
Shortest distance between Londonderry and Portsmouth is 34.43 miles (55.4 km).
Flight distance from Londonderry, NH to Portsmouth, NH is 34.43 miles. Estimated flight time is 00 hours 06 minutes.
Driving distance
The driving distance from Londonderry, New Hampshire to Portsmouth, New Hampshire is: 53.59 miles (86.24 km) by car.
Driving from Londonderry to Portsmouth will take approximately 00 hours 56 minutes.
#1 Londonderry
Town in Rockingham County, New Hampshire, United States of America
| Population | 26646 |
|---|---|
| GPS Coordinates | 42°51'54"N 71°22'26"W |
| Latitude | 42.8650900 |
| Longitude | -71.3739500 |
| Altitude | 128 |
| 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 Londonderry and Portsmouth
The distance between Londonderry and Portsmouth is 86 km if you choose to drive by road. You can go 00 hours 57 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 Londonderry and Portsmouth. The current time is 14:23:53.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 47 minutes |
| 40 mph (64.37 km/h) | 01 hours 20 minutes |
| 50 mph (80.47 km/h) | 01 hours 04 minutes |
| 60 mph (96.56 km/h) | 00 hours 53 minutes |
| 70 mph (112.65 km/h) | 00 hours 45 minutes |
| 75 mph (120.7 km/h) | 00 hours 42 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 7.16 liters (1.89 gallon) of gas to cover the route between Londonderry and Portsmouth.
The estimated cost of gas to go from Londonderry to Portsmouth is $6.61 (diesel $8.29).
New Hampshire gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.5 | $3.96 | $4.38 | $4.38 |
| Total | $6.61 | $7.49 | $8.29 | $8.29 |
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 18, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Londonderry 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 Londonderry 4.39 miles (7 km)
Driving distance from East Concord, NH to Londonderry 30.56 miles (49 km)
