How far is Ashburn, VA from Portsmouth, VA?
Distance by Flight
Shortest distance between Ashburn and Portsmouth is 165.76 miles (266.77 km).
Flight distance from Ashburn, VA to Portsmouth, VA is 165.76 miles. Estimated flight time is 00 hours 25 minutes.
It takes 00 hours 23 minutes to travel from Ashburn to Portsmouth with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Ashburn, Virginia to Portsmouth, Virginia is: 212.32 miles (341.69 km) by car.
Driving from Ashburn to Portsmouth will take approximately 03 hours 41 minutes.
#1 Ashburn
| Population | |
|---|---|
| GPS Coordinates | 39°2'37"N 77°29'15"W |
| Latitude | 39.0437200 |
| Longitude | -77.4874900 |
| Altitude | 90 |
| 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 Ashburn and Portsmouth
The distance between Ashburn and Portsmouth is 342 km if you choose to drive by road. You can go 03 hours 47 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 Ashburn and Portsmouth. The current time is 04:53:50.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 07 hours 04 minutes |
| 40 mph (64.37 km/h) | 05 hours 18 minutes |
| 50 mph (80.47 km/h) | 04 hours 14 minutes |
| 60 mph (96.56 km/h) | 03 hours 32 minutes |
| 70 mph (112.65 km/h) | 03 hours 01 minutes |
| 75 mph (120.7 km/h) | 02 hours 49 minutes |
| 80 mph (128.75 km/h) | 02 hours 38 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 28.36 liters (7.49 gallon) of gas to cover the route between Ashburn and Portsmouth.
The estimated cost of gas to go from Ashburn to Portsmouth is $24.87 (diesel $32.16).
Virginia gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.32 | $3.76 | $4.12 | $4.29 |
| Total | $24.87 | $28.19 | $30.84 | $32.16 |
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 21, 2025.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Ashburn and Portsmouth (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
