Decatur, Illinois to Gary: Road Trip Guide & Distance

How far is Decatur, Illinois from Gary?

The distance from Decatur, Illinois to Gary is 147.5 miles (237.4 km) as the crow flies. Gary is located NE of Decatur, Illinois. By car, the driving distance is approximately 184.4 miles, taking about 3h 43min. A direct flight would take roughly 48min. Both are located in United States — Decatur, Illinois in Illinois and Gary in Indiana.

For a drive of this length, it's recommended to plan at least one quick rest stop to stretch your legs and grab a coffee. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. Given the short distance, driving or taking a train is often faster and more convenient than dealing with airport security and flight boarding times.

Coordinates come from public place data for Decatur, Illinois and Gary. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.