Distance between cities › USA › Maryland › Olney, MD › Distance from Olney to McLean Book Hotels

Distance from Olney, MD to McLean, VA

Distance

21 mi

Time

37 minutes

Gas Cost

$2 - $4

There are 16.27 miles from Olney to McLean in southwest direction and 21 miles (33.80 kilometers) by car, following the 18000 Georgia Avenue, Olney MD route.

Olney and McLean are 37 minutes far apart, if you drive non-stop .

This is the fastest route from Olney, MD to McLean, VA. The halfway point is Rockville, MD.

Olney, MD and McLean, VA are in the same time zone (EDT). Current time in both locations is 4:46 pm.

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Lowest Price Rental Cars in Olney, MD

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Olney »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.84 gallons of gas to cover the route between Olney, MD and McLean, VA.

The estimated cost of gas to go from Olney to McLean is $2.95.

During the route, an average car will release 16.43 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.

Halfway Point Between Olney, MD and McLean, VA

If you want to meet halfway between Olney, MD and McLean, VA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.056789 and -77.154121, or 39º 3' 24.4404" N, 77º 9' 14.8356" W. This location is 10.44 miles away from Olney, MD and McLean, VA and it would take approximately 18 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Rockville, MD, situated 8 miles from Olney, MD and 13 miles from McLean, VA. It would take 13 minutes to go from Olney to Rockville and 19 minutes to go from McLean to Rockville.