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How far is Ithaca, NY, from Washington D.C.?

The distance between Washington D.C. (Washington Dulles International Airport) and Ithaca (Ithaca Tompkins Regional Airport) is 250 miles / 403 kilometers / 217 nautical miles.

The driving distance from Washington D.C. (IAD) to Ithaca (ITH) is 325 miles / 523 kilometers, and travel time by car is about 7 hours 12 minutes.

Washington Dulles International Airport – Ithaca Tompkins Regional Airport

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250
Miles
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403
Kilometers
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217
Nautical miles

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Distance from Washington D.C. to Ithaca

There are several ways to calculate the distance from Washington D.C. to Ithaca. Here are two standard methods:

Vincenty's formula (applied above)
  • 250.251 miles
  • 402.740 kilometers
  • 217.462 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 250.539 miles
  • 403.204 kilometers
  • 217.713 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Washington D.C. to Ithaca?

The estimated flight time from Washington Dulles International Airport to Ithaca Tompkins Regional Airport is 58 minutes.

What is the time difference between Washington D.C. and Ithaca?

There is no time difference between Washington D.C. and Ithaca.

Flight carbon footprint between Washington Dulles International Airport (IAD) and Ithaca Tompkins Regional Airport (ITH)

On average, flying from Washington D.C. to Ithaca generates about 62 kg of CO2 per passenger, and 62 kilograms equals 136 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Washington D.C. to Ithaca

See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Ithaca Tompkins Regional Airport (ITH).

Airport information

Origin Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W
Destination Ithaca Tompkins Regional Airport
City: Ithaca, NY
Country: United States Flag of United States
IATA Code: ITH
ICAO Code: KITH
Coordinates: 42°29′27″N, 76°27′30″W