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Distance from Ithaca, NY to IAD Airport

Distance

303 mi

Time

6 hours 54 mins

Gas Cost

$28 - $54

Helpful Inaccurate

There are 246.32 miles from Ithaca to Washington Dulles International Airport (IAD) in south direction and 303 miles (487.63 kilometers) by car, following the US-15 and PA 74 route.

Ithaca and IAD Airport are 6 hours 54 mins far apart, if you drive non-stop .

This is the fastest route from Ithaca, NY to IAD Airport. The halfway point is Selinsgrove, PA.

Ithaca, NY and IAD Airport are in the same time zone (EDT). Current time in both locations is 2:13 am.

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Lowest Price Rental Cars in Ithaca, NY

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Ithaca »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 12.18 gallons of gas to cover the route between Ithaca, NY and IAD Airport.

The estimated cost of gas to go from Ithaca to IAD Airport is $39.03.

During the route, an average car will release 238.65 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 Ithaca, NY and IAD Airport

If you want to meet halfway between Ithaca, NY 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 40.813736 and -76.855637, or 40º 48' 49.4496" N, 76º 51' 20.2932" W. This location is 151.66 miles away from Ithaca, NY and IAD Airport and it would take approximately 3 hours 27 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Selinsgrove, PA, situated 159 miles from Ithaca, NY and 162 miles from IAD Airport. It would take 2 hours 57 mins to go from Ithaca to Selinsgrove and 3 hours 14 mins to go from IAD to Selinsgrove.