Distance between cities › USA › Maryland › McHenry, MD › Distance from McHenry to O'Hare International Airport Book Hotels

Distance from McHenry, MD to ORD Airport

Distance

574 mi

Time

11 hours 13 mins

Gas Cost

$53 - $104

Helpful Inaccurate

There are 478.03 miles from McHenry to O'Hare International Airport (ORD) in northwest direction and 574 miles (923.76 kilometers) by car, following the I-80 route.

McHenry and ORD Airport are 11 hours 13 mins far apart, if you drive non-stop .

This is the fastest route from McHenry, MD to ORD Airport. The halfway point is Fremont, OH.

Please note the time difference between McHenry, MD and ORD Airport is 1 hour. The current time in McHenry is 7:26 am and the current time in ORD Airport is 6:26 am.

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Lowest Price Rental Cars in McHenry, MD

Planning on renting a car to go from McHenry, MD to ORD 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 23.05 gallons of gas to cover the route between McHenry, MD and ORD Airport.

The estimated cost of gas to go from McHenry to ORD Airport is $75.18.

During the route, an average car will release 451.52 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 ORD Airport

If you want to meet halfway between McHenry, MD and ORD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.395145 and -83.073326, or 41º 23' 42.522" N, 83º 4' 23.9736" W. This location is 286.92 miles away from McHenry, MD and ORD Airport and it would take approximately 5 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fremont, OH, situated 312 miles from McHenry, MD and 285 miles from ORD Airport. It would take 4 hours 58 mins to go from McHenry to Fremont and 4 hours 38 mins to go from ORD to Fremont.