How far is Reston, VA from Portsmouth, VA?
Distance by Flight
Shortest distance between Reston and Portsmouth is 157.98 miles (254.24 km).
Flight distance from Reston, VA to Portsmouth, VA is 157.98 miles. Estimated flight time is 00 hours 24 minutes.
It takes 00 hours 22 minutes to travel from Reston to Portsmouth with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Reston, Virginia to Portsmouth, Virginia is: 204.68 miles (329.4 km) by car.
Driving from Reston to Portsmouth will take approximately 03 hours 33 minutes.
#1 Reston
Census-designated place in Fairfax County, Virginia, United States
| Population | 58404 |
|---|---|
| GPS Coordinates | 38°58'7"N 77°20'28"W |
| Latitude | 38.9687200 |
| Longitude | -77.3411000 |
| Altitude | 100 |
| Country | United States |
#2 Portsmouth
The most populous city in Portsmouth, Virginia. It is located on the Elizabeth River in southeastern Virginia. Portsmouth is known for its many parks and green spaces, its many historical sites
| Population | 95094 |
|---|---|
| GPS Coordinates | 36°50'8"N 76°17'54"W |
| Latitude | 36.8354300 |
| Longitude | -76.2982700 |
| Altitude | 3 |
| Country | United States |
Ending point in Portsmouth: High Street (-76.29827,36.835429)
Estimated Travel Time Between Reston and Portsmouth
The distance between Reston and Portsmouth is 329 km if you choose to drive by road. You can go 03 hours 39 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 Reston and Portsmouth. The current time is 00:34:34.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 49 minutes |
| 40 mph (64.37 km/h) | 05 hours 07 minutes |
| 50 mph (80.47 km/h) | 04 hours 05 minutes |
| 60 mph (96.56 km/h) | 03 hours 24 minutes |
| 70 mph (112.65 km/h) | 02 hours 55 minutes |
| 75 mph (120.7 km/h) | 02 hours 43 minutes |
| 80 mph (128.75 km/h) | 02 hours 33 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 27.34 liters (7.22 gallon) of gas to cover the route between Reston and Portsmouth.
The estimated cost of gas to go from Reston to Portsmouth is $23.98 (diesel $31).
Virginia gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.32 | $3.76 | $4.12 | $4.29 |
| Total | $23.98 | $27.18 | $29.73 | $31 |
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 Virginia ) per gallon of daily gas for calculations is $3.320 (Diesel $4.292) /gallon. Last changed prices on December 22, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Reston and Portsmouth (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
