How far is Decatur, IL, from Rochester, NY?
The distance between Rochester (Greater Rochester International Airport) and Decatur (Decatur Airport) is 623 miles / 1003 kilometers / 541 nautical miles.
The driving distance from Rochester (ROC) to Decatur (DEC) is 733 miles / 1180 kilometers, and travel time by car is about 13 hours 57 minutes.
Greater Rochester International Airport – Decatur Airport
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Distance from Rochester to Decatur
There are several ways to calculate the distance from Rochester to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 622.962 miles
- 1002.561 kilometers
- 541.339 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- 621.664 miles
- 1000.471 kilometers
- 540.211 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 Rochester to Decatur?
The estimated flight time from Greater Rochester International Airport to Decatur Airport is 1 hour and 40 minutes.
What is the time difference between Rochester and Decatur?
The time difference between Rochester and Decatur is 1 hour. Decatur is 1 hour behind Rochester.
Flight carbon footprint between Greater Rochester International Airport (ROC) and Decatur Airport (DEC)
On average, flying from Rochester to Decatur generates about 116 kg of CO2 per passenger, and 116 kilograms equals 255 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rochester to Decatur
See the map of the shortest flight path between Greater Rochester International Airport (ROC) and Decatur Airport (DEC).
Airport information
| Origin | Greater Rochester International Airport |
|---|---|
| City: | Rochester, NY |
| Country: | United States  |
| IATA Code: | ROC |
| ICAO Code: | KROC |
| Coordinates: | 43°7′8″N, 77°40′20″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 |