How far is Washington D.C. from Ithaca, NY?
The distance between Ithaca (Ithaca Tompkins Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 250 miles / 403 kilometers / 217 nautical miles.
The driving distance from Ithaca (ITH) to Washington D.C. (IAD) is 326 miles / 525 kilometers, and travel time by car is about 7 hours 13 minutes.
Ithaca Tompkins Regional Airport – Washington Dulles International Airport
Search flights
Distance from Ithaca to Washington D.C.
There are several ways to calculate the distance from Ithaca to Washington D.C.. 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 Ithaca to Washington D.C.?
The estimated flight time from Ithaca Tompkins Regional Airport to Washington Dulles International Airport is 58 minutes.
What is the time difference between Ithaca and Washington D.C.?
There is no time difference between Ithaca and Washington D.C..
Flight carbon footprint between Ithaca Tompkins Regional Airport (ITH) and Washington Dulles International Airport (IAD)
On average, flying from Ithaca to Washington D.C. 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 Ithaca to Washington D.C.
See the map of the shortest flight path between Ithaca Tompkins Regional Airport (ITH) and Washington Dulles International Airport (IAD).
Airport information
| Origin | 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 |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |