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Distance from Orient, IL to IAD Airport

Distance

780 mi

Time

14 hours 34 mins

Gas Cost

$71 - $139

Helpful Inaccurate

There are 627.19 miles from Orient to Washington Dulles International Airport (IAD) in east direction and 780 miles (1,255.29 kilometers) by car, following the I-64 route.

Orient and IAD Airport are 14 hours 34 mins far apart, if you drive non-stop .

This is the fastest route from Orient, IL to IAD Airport. The halfway point is West Jefferson, OH.

Please note the time difference between Orient, IL and IAD Airport is 1 hour. The current time in Orient is 10:25 pm and the current time in IAD Airport is 11:25 pm.

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Lowest Price Rental Cars in Orient, IL

Planning on renting a car to go from Orient, IL to IAD Airport? Here there are some offers to rent a car in Orient, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Orient »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 31.31 gallons of gas to cover the route between Orient, IL and IAD Airport.

The estimated cost of gas to go from Orient to IAD Airport is $100.33.

During the route, an average car will release 613.49 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Orient, IL and IAD Airport

If you want to meet halfway between Orient, IL and IAD Airport or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 39.980724 and -83.227142, or 39º 58' 50.6064" N, 83º 13' 37.7112" W. This location is 389.85 miles away from Orient, IL and IAD Airport and it would take approximately 7 hours 17 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is West Jefferson, OH, situated 400 miles from Orient, IL and 425 miles from IAD Airport. It would take 6 hours 20 mins to go from Orient to West Jefferson and 6 hours 48 mins to go from IAD to West Jefferson.

Major City Closest to Halfway Point

The major city closest to the halfway point between Orient, IL and IAD Airport is Columbus, OH, situated 415 miles from Orient, IL and 411 miles from IAD Airport. It would take 6 hours 32 mins to go from Orient to and 6 hours 30 mins to go from IAD to Columbus.