How far is Decatur, IL, from South Bend, IN?
The distance between South Bend (South Bend International Airport) and Decatur (Decatur Airport) is 186 miles / 299 kilometers / 162 nautical miles.
The driving distance from South Bend (SBN) to Decatur (DEC) is 239 miles / 385 kilometers, and travel time by car is about 4 hours 39 minutes.
South Bend International Airport – Decatur Airport
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Distance from South Bend to Decatur
There are several ways to calculate the distance from South Bend to Decatur. Here are two standard methods:
Vincenty's formula (applied above)- 185.981 miles
- 299.308 kilometers
- 161.613 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- 185.855 miles
- 299.105 kilometers
- 161.504 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 South Bend to Decatur?
The estimated flight time from South Bend International Airport to Decatur Airport is 51 minutes.
What is the time difference between South Bend and Decatur?
The time difference between South Bend and Decatur is 1 hour. Decatur is 1 hour behind South Bend.
Flight carbon footprint between South Bend International Airport (SBN) and Decatur Airport (DEC)
On average, flying from South Bend to Decatur generates about 52 kg of CO2 per passenger, and 52 kilograms equals 115 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from South Bend to Decatur
See the map of the shortest flight path between South Bend International Airport (SBN) and Decatur Airport (DEC).
Airport information
| Origin | South Bend International Airport |
|---|---|
| City: | South Bend, IN |
| Country: | United States  |
| IATA Code: | SBN |
| ICAO Code: | KSBN |
| Coordinates: | 41°42′31″N, 86°19′2″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 |