Air Miles Calculator

Distance between Miami, FL (MIA) and Decatur, IL (DEC)

Flight distance from Miami to Decatur (Miami International Airport – Decatur Airport) is 1087 miles / 1750 kilometers / 945 nautical miles. Estimated flight time is 2 hours 33 minutes.

Driving distance from Miami (MIA) to Decatur (DEC) is 1278 miles / 2057 kilometers and travel time by car is about 22 hours 18 minutes.

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

Shortest flight path between Miami International Airport (MIA) and Decatur Airport (DEC).

How far is Decatur from Miami?

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

Vincenty's formula (applied above)
  • 1087.355 miles
  • 1749.928 kilometers
  • 944.885 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
  • 1089.146 miles
  • 1752.811 kilometers
  • 946.442 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 Miami International Airport
City: Miami, FL
Country: United States Flag of United States
IATA Code: MIA
ICAO Code: KMIA
Coordinates: 25°47′35″N, 80°17′26″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 Miami and Decatur is 1 hour. Decatur is 1 hour behind Miami.

Time Difference

Miami, FL

 EST

Decatur, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 156 kg (344 pounds).

Frequent Flyer Miles Calculator

Miami (MIA) → Decatur (DEC).

Distance:
1087
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1087

Round trip?