How far is Rochester, NY, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Rochester (Greater Rochester International Airport) is 623 miles / 1003 kilometers / 541 nautical miles.
The driving distance from Decatur (DEC) to Rochester (ROC) is 734 miles / 1181 kilometers, and travel time by car is about 13 hours 56 minutes.
Decatur Airport – Greater Rochester International Airport
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Distance from Decatur to Rochester
There are several ways to calculate the distance from Decatur to Rochester. 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 Decatur to Rochester?
The estimated flight time from Decatur Airport to Greater Rochester International Airport is 1 hour and 40 minutes.
What is the time difference between Decatur and Rochester?
The time difference between Decatur and Rochester is 1 hour. Rochester is 1 hour ahead of Decatur.
Flight carbon footprint between Decatur Airport (DEC) and Greater Rochester International Airport (ROC)
On average, flying from Decatur to Rochester 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 Decatur to Rochester
See the map of the shortest flight path between Decatur Airport (DEC) and Greater Rochester International Airport (ROC).
Airport information
| Origin | Decatur Airport |
|---|---|
| City: | Decatur, IL |
| Country: | United States  |
| IATA Code: | DEC |
| ICAO Code: | KDEC |
| Coordinates: | 39°50′4″N, 88°51′56″W |
| Destination | 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 |