How far is Indianapolis, IN, from Decatur, IL?
The distance between Decatur (Decatur Airport) and Indianapolis (Indianapolis International Airport) is 137 miles / 221 kilometers / 119 nautical miles.
The driving distance from Decatur (DEC) to Indianapolis (IND) is 172 miles / 277 kilometers, and travel time by car is about 3 hours 16 minutes.
Decatur Airport – Indianapolis International Airport
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Distance from Decatur to Indianapolis
There are several ways to calculate the distance from Decatur to Indianapolis. 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 Decatur to Indianapolis?
The estimated flight time from Decatur Airport to Indianapolis International Airport is 45 minutes.
What is the time difference between Decatur and Indianapolis?
Flight carbon footprint between Decatur Airport (DEC) and Indianapolis International Airport (IND)
On average, flying from Decatur to Indianapolis 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 Decatur to Indianapolis
See the map of the shortest flight path between Decatur Airport (DEC) and Indianapolis International Airport (IND).
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 | Indianapolis International Airport |
|---|---|
| City: | Indianapolis, IN |
| Country: | United States |
| IATA Code: | IND |
| ICAO Code: | KIND |
| Coordinates: | 39°43′2″N, 86°17′39″W |