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

Distance from Potomac, MD to Annandale, VA

Distance

17 mi

Time

26 minutes

Gas Cost

$2 - $3

There are 12.99 miles from Potomac to Annandale in south direction and 17 miles (27.36 kilometers) by car, following the I-495 route.

Potomac and Annandale are 26 minutes far apart, if you drive non-stop .

This is the fastest route from Potomac, MD to Annandale, VA. The halfway point is West Mclean, VA.

Potomac, MD and Annandale, VA are in the same time zone (EDT). Current time in both locations is 10:03 pm.

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Lowest Price Rental Cars in Potomac, MD

Planning on renting a car to go from Potomac, MD to Annandale, 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 0.69 gallons of gas to cover the route between Potomac, MD and Annandale, VA.

The estimated cost of gas to go from Potomac to Annandale is $2.44.

During the route, an average car will release 13.55 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 Annandale, VA

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Halfway Point Between Potomac, MD and Annandale, VA

If you want to meet halfway between Potomac, MD and Annandale, VA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.939240 and -77.207726, or 38º 56' 21.264" N, 77º 12' 27.8136" W. This location is 8.61 miles away from Potomac, MD and Annandale, VA and it would take approximately 13 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is West Mclean, VA, situated 9 miles from Potomac, MD and 10 miles from Annandale, VA. It would take 17 minutes to go from Potomac to West Mclean and 14 minutes to go from Annandale to West Mclean.