Distance between cities › USA › Maryland › Potomac, MD › Distance from Potomac to Alexandria Book Hotels

Distance from Potomac, MD to Alexandria, VA

Distance

28 mi

Time

40 minutes

Gas Cost

$3 - $6

There are 17.12 miles from Potomac to Alexandria in southeast direction and 28 miles (45.06 kilometers) by car, following the I-495 route.

Potomac and Alexandria are 40 minutes far apart, if you drive non-stop .

This is the fastest route from Potomac, MD to Alexandria, VA. The halfway point is McLean, VA.

Potomac, MD and Alexandria, VA are in the same time zone (EDT). Current time in both locations is 11:13 pm.

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Lowest Price Rental Cars in Potomac, MD

Planning on renting a car to go from Potomac, MD to Alexandria, VA? Here there are some offers to rent a car in Potomac, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Potomac »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 1.13 gallons of gas to cover the route between Potomac, MD and Alexandria, VA.

The estimated cost of gas to go from Potomac to Alexandria is $4.

During the route, an average car will release 22.22 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.52 per gallon of regular gas. Price last updated on March 18, 2026.
Read more about our CO₂ calculation.

Recommended hotels in Alexandria, VA

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Halfway Point Between Potomac, MD and Alexandria, VA

If you want to meet halfway between Potomac, MD and Alexandria, VA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.931637 and -77.126366, or 38º 55' 53.8932" N, 77º 7' 34.9176" W. This location is 14.12 miles away from Potomac, MD and Alexandria, VA and it would take approximately 20 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is McLean, VA, situated 9 miles from Potomac, MD and 15 miles from Alexandria, VA. It would take 16 minutes to go from Potomac to McLean and 19 minutes to go from Alexandria to McLean.