How far is Decatur, IL, from Ithaca, NY?
The distance between Ithaca (Ithaca Tompkins Regional Airport) and Decatur (Decatur Airport) is 672 miles / 1081 kilometers / 584 nautical miles.
The driving distance from Ithaca (ITH) to Decatur (DEC) is 813 miles / 1308 kilometers, and travel time by car is about 15 hours 26 minutes.
Ithaca Tompkins Regional Airport – Decatur Airport
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Distance from Ithaca to Decatur
There are several ways to calculate the distance from Ithaca to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 671.798 miles
- 1081.155 kilometers
- 583.777 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- 670.265 miles
- 1078.687 kilometers
- 582.444 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 Decatur?
The estimated flight time from Ithaca Tompkins Regional Airport to Decatur Airport is 1 hour and 46 minutes.
What is the time difference between Ithaca and Decatur?
The time difference between Ithaca and Decatur is 1 hour. Decatur is 1 hour behind Ithaca.
Flight carbon footprint between Ithaca Tompkins Regional Airport (ITH) and Decatur Airport (DEC)
On average, flying from Ithaca to Decatur generates about 121 kg of CO2 per passenger, and 121 kilograms equals 268 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 Decatur
See the map of the shortest flight path between Ithaca Tompkins Regional Airport (ITH) and Decatur Airport (DEC).
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 | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |