How far is Rochester, NH from Portsmouth, NH?
Distance by Flight
Shortest distance between Rochester and Portsmouth is 19.17 miles (30.86 km).
Flight distance from Rochester, NH to Portsmouth, NH is 19.17 miles. Estimated flight time is 00 hours 02 minutes.
Driving distance
The driving distance from Rochester, New Hampshire to Portsmouth, New Hampshire is: 22.66 miles (36.47 km) by car.
Driving from Rochester to Portsmouth will take approximately 00 hours 34 minutes.
#1 Rochester
City in Strafford County, New Hampshire, United States
| Population | 31719 |
|---|---|
| GPS Coordinates | 43°18'16"N 70°58'32"W |
| Latitude | 43.3045300 |
| Longitude | -70.9756200 |
| Altitude | 70 |
| 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 Rochester and Portsmouth
The distance between Rochester and Portsmouth is 36 km if you choose to drive by road. You can go 00 hours 24 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 Rochester and Portsmouth. The current time is 17:25:03.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 00 hours 45 minutes |
| 40 mph (64.37 km/h) | 00 hours 33 minutes |
| 50 mph (80.47 km/h) | 00 hours 27 minutes |
| 60 mph (96.56 km/h) | 00 hours 22 minutes |
| 70 mph (112.65 km/h) | 00 hours 19 minutes |
| 75 mph (120.7 km/h) | 00 hours 18 minutes |
| 80 mph (128.75 km/h) | 00 hours 16 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 3.03 liters (0.8 gallon) of gas to cover the route between Rochester and Portsmouth.
The estimated cost of gas to go from Rochester to Portsmouth is $2.8 (diesel $3.51).
New Hampshire gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.5 | $3.96 | $4.38 | $4.38 |
| Total | $2.8 | $3.17 | $3.51 | $3.51 |
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 25, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Rochester 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 Rochester 38.95 miles (63 km)
Driving distance from East Concord, NH to Rochester 35.04 miles (56 km)
