How far is Decatur, IL, from Indianapolis, IN?
The distance between Indianapolis (Indianapolis International Airport) and Decatur (Decatur Airport) is 137 miles / 221 kilometers / 119 nautical miles.
The driving distance from Indianapolis (IND) to Decatur (DEC) is 171 miles / 276 kilometers, and travel time by car is about 3 hours 15 minutes.
Indianapolis International Airport – Decatur Airport
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Distance from Indianapolis to Decatur
There are several ways to calculate the distance from Indianapolis to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 137.115 miles
- 220.666 kilometers
- 119.150 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- 136.776 miles
- 220.120 kilometers
- 118.855 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 Indianapolis to Decatur?
The estimated flight time from Indianapolis International Airport to Decatur Airport is 45 minutes.
What is the time difference between Indianapolis and Decatur?
Flight carbon footprint between Indianapolis International Airport (IND) and Decatur Airport (DEC)
On average, flying from Indianapolis to Decatur generates about 45 kg of CO2 per passenger, and 45 kilograms equals 100 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Indianapolis to Decatur
See the map of the shortest flight path between Indianapolis International Airport (IND) and Decatur Airport (DEC).
Airport information
| Origin | Indianapolis International Airport |
|---|---|
| City: | Indianapolis, IN |
| Country: | United States  |
| IATA Code: | IND |
| ICAO Code: | KIND |
| Coordinates: | 39°43′2″N, 86°17′39″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 |