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

Flight distance from Washington D.C. to Ithaca (Ronald Reagan Washington National Airport – Ithaca Tompkins Regional Airport) is 253 miles / 407 kilometers / 220 nautical miles. Estimated flight time is 58 minutes.

Driving distance from Washington D.C. (DCA) to Ithaca (ITH) is 330 miles / 531 kilometers and travel time by car is about 6 hours 55 minutes.

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

Shortest flight path between Ronald Reagan Washington National Airport (DCA) 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)
• 252.927 miles
• 407.046 kilometers
• 219.787 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
• 253.248 miles
• 407.564 kilometers
• 220.067 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 Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″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.

EST

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## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 62 kg (137 pounds).

## Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Ithaca (ITH).

Distance:
253
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
253

Round trip?