Air Miles Calculator

Distance between Syracuse, NY (SYR) and Decatur, IL (DEC)

Flight distance from Syracuse to Decatur (Syracuse Hancock International Airport – Decatur Airport) is 699 miles / 1125 kilometers / 607 nautical miles. Estimated flight time is 1 hour 49 minutes.

Driving distance from Syracuse (SYR) to Decatur (DEC) is 813 miles / 1309 kilometers and travel time by car is about 14 hours 31 minutes.

Map of flight path and driving directions from Syracuse to Decatur.

Shortest flight path between Syracuse Hancock International Airport (SYR) and Decatur Airport (DEC).

How far is Decatur from Syracuse?

There are several ways to calculate distances between Syracuse and Decatur. Here are two common methods:

Vincenty's formula (applied above)
  • 698.945 miles
  • 1124.842 kilometers
  • 607.366 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
  • 697.415 miles
  • 1122.380 kilometers
  • 606.037 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 Syracuse Hancock International Airport
City: Syracuse, NY
Country: United States Flag of United States
IATA Code: SYR
ICAO Code: KSYR
Coordinates: 43°6′40″N, 76°6′22″W

B Decatur Airport
City: Decatur, IL
Country: United States Flag of United States
IATA Code: DEC
ICAO Code: KDEC
Coordinates: 39°50′4″N, 88°51′56″W

Time difference and current local times

The time difference between Syracuse and Decatur is 1 hour. Decatur is 1 hour behind Syracuse.

Time Difference

Syracuse, NY

 EST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 124 kg (274 pounds).

Frequent Flyer Miles Calculator

Syracuse (SYR) → Decatur (DEC).

Distance:
699
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
699

Round trip?