Distance between cities › USA › Maryland › McHenry, MD › Distance from McHenry to Ronald Reagan Washington National Airport Book Hotels

Distance from McHenry, MD to DCA Airport

Distance

180 mi

Time

3 hours 44 mins

Gas Cost

$17 - $33

Helpful Inaccurate

There are 132.57 miles from McHenry to Ronald Reagan Washington National Airport (DCA) in southeast direction and 180 miles (289.68 kilometers) by car, following the I-68 and US-40 and US-219 route.

McHenry and DCA Airport are 3 hours 44 mins far apart, if you drive non-stop .

This is the fastest route from McHenry, MD to DCA Airport. The halfway point is Cherry Run, WV.

McHenry, MD and DCA Airport are in the same time zone (EDT). Current time in both locations is 10:17 am.

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Lowest Price Rental Cars in McHenry, MD

Planning on renting a car to go from McHenry, MD to DCA Airport? Here there are some offers to rent a car in McHenry, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in McHenry »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 7.21 gallons of gas to cover the route between McHenry, MD and DCA Airport.

The estimated cost of gas to go from McHenry to DCA Airport is $23.53.

During the route, an average car will release 141.31 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between McHenry, MD and DCA Airport

If you want to meet halfway between McHenry, MD and DCA Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.656349 and -78.058167, or 39º 39' 22.8564" N, 78º 3' 29.4012" W. This location is 89.80 miles away from McHenry, MD and DCA Airport and it would take approximately 1 hour 52 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Cherry Run, WV, situated 93 miles from McHenry, MD and 97 miles from DCA Airport. It would take 1 hour 54 mins to go from McHenry to Cherry Run and 1 hour 54 mins to go from DCA to Cherry Run.