Distance between Washington D.C. (IAD) and Ithaca, NY (ITH)

Flight distance from Washington D.C. to Ithaca (Washington Dulles International Airport – Ithaca Tompkins Regional Airport) is 250 miles / 403 kilometers / 217 nautical miles. Estimated flight time is 58 minutes.

Driving distance from Washington D.C. (IAD) to Ithaca (ITH) is 325 miles / 523 kilometers and travel time by car is about 6 hours 53 minutes.

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

Shortest flight path between Washington Dulles International Airport (IAD) and Ithaca Tompkins Regional Airport (ITH).

How far is Ithaca from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Ithaca. Here are two common 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 earth.

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).

Airport information

A Washington Dulles International Airport
City: Washington D.C.
Country: United States
Coordinates: 38°56′40″N, 77°27′20″W

B Ithaca Tompkins Regional Airport
City: Ithaca, NY
Country: United States
IATA Code: ITH
ICAO Code: KITH
Coordinates: 42°29′27″N, 76°27′30″W

Time difference and current local times

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

EDT

EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 62 kg (136 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → Ithaca (ITH).

Distance:
250
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
250

Round trip?