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Distance from Big Run, PA to IAD Airport

Distance

224 mi

Time

4 hours 58 mins

Gas Cost

$23 - $44

Helpful Inaccurate

There are 158.21 miles from Big Run to Washington Dulles International Airport (IAD) in southeast direction and 224 miles (360.49 kilometers) by car, following the I-70 route.

Big Run and IAD Airport are 4 hours 58 mins far apart, if you drive non-stop .

This is the fastest route from Big Run, PA to IAD Airport. The halfway point is Crystal Spring, PA.

Big Run, PA and IAD Airport are in the same time zone (EDT). Current time in both locations is 10:16 am.

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Lowest Price Rental Cars in Big Run, PA

Planning on renting a car to go from Big Run, PA to IAD Airport? Here there are some offers to rent a car in Big Run, PA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Big Run »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 9.01 gallons of gas to cover the route between Big Run, PA and IAD Airport.

The estimated cost of gas to go from Big Run to IAD Airport is $31.74.

During the route, an average car will release 176.48 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 Big Run, PA and IAD Airport

If you want to meet halfway between Big Run, PA 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 39.927063 and -78.234207, or 39º 55' 37.4268" N, 78º 14' 3.1452" W. This location is 112.15 miles away from Big Run, PA and IAD Airport and it would take approximately 2 hours 29 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Crystal Spring, PA, situated 114 miles from Big Run, PA and 112 miles from IAD Airport. It would take 2 hours 8 mins to go from Big Run to Crystal Spring and 2 hours 6 mins to go from IAD to Crystal Spring.