How far is Dover, NH from Portsmouth, NH?
Distance by Flight
Shortest distance between Dover and Portsmouth is 10.19 miles (16.4 km).
Flight distance from Dover, NH to Portsmouth, NH is 10.19 miles. Estimated flight time is 00 hours 01 minutes.
Driving distance
The driving distance from Dover, New Hampshire to Portsmouth, New Hampshire is: 12.96 miles (20.86 km) by car.
Driving from Dover to Portsmouth will take approximately 00 hours 20 minutes.
#1 Dover
County seat city in Strafford County, New Hampshire, United States
| Population | 32443 |
|---|---|
| GPS Coordinates | 43°11'52"N 70°52'25"W |
| Latitude | 43.1978600 |
| Longitude | -70.8736700 |
| Altitude | 19 |
| 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 Dover and Portsmouth
The distance between Dover and Portsmouth is 21 km if you choose to drive by road. You can go 00 hours 13 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 Dover and Portsmouth. The current time is 12:43:07.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 25 minutes |
| 40 mph (64.37 km/h) | 00 hours 19 minutes |
| 50 mph (80.47 km/h) | 00 hours 15 minutes |
| 60 mph (96.56 km/h) | 00 hours 12 minutes |
| 70 mph (112.65 km/h) | 00 hours 11 minutes |
| 75 mph (120.7 km/h) | 00 hours 10 minutes |
| 80 mph (128.75 km/h) | 00 hours 09 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 1.73 liters (0.46 gallon) of gas to cover the route between Dover and Portsmouth.
The estimated cost of gas to go from Dover to Portsmouth is $1.6 (diesel $2.01).
New Hampshire gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.5 | $3.96 | $4.38 | $4.38 |
| Total | $1.6 | $1.81 | $2 | $2.01 |
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 03, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Dover 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 Dover 36.08 miles (58 km)
Driving distance from East Concord, NH to Dover 38.35 miles (62 km)
