How far is Portsmouth, NH from Dover, NH?
Distance by Flight
Shortest distance between Portsmouth and Dover is 10.19 miles (16.4 km).
Flight distance from Portsmouth, NH to Dover, NH is 10.19 miles. Estimated flight time is 00 hours 01 minutes.
Driving distance
The driving distance from Portsmouth, New Hampshire to Dover, New Hampshire is: 12.14 miles (19.54 km) by car.
Driving from Portsmouth to Dover will take approximately 00 hours 19 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 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 |
Ending point in Dover: (-70.873668,43.197876)
Estimated Travel Time Between Portsmouth and Dover
The distance between Portsmouth and Dover is 20 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 Portsmouth and Dover. The current time is 03:05:10.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 24 minutes |
| 40 mph (64.37 km/h) | 00 hours 18 minutes |
| 50 mph (80.47 km/h) | 00 hours 14 minutes |
| 60 mph (96.56 km/h) | 00 hours 12 minutes |
| 70 mph (112.65 km/h) | 00 hours 10 minutes |
| 75 mph (120.7 km/h) | 00 hours 09 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 1.62 liters (0.43 gallon) of gas to cover the route between Portsmouth and Dover.
The estimated cost of gas to go from Portsmouth to Dover is $1.5 (diesel $1.88).
New Hampshire gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.5 | $3.96 | $4.38 | $4.38 |
| Total | $1.5 | $1.7 | $1.88 | $1.88 |
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 November 23, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Portsmouth and Dover (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)
