Decatur, Illinois to Indianapolis: Road Trip Guide & Distance

148.5 miles 239 km · straight line
170.5 miles actual route 274.4 km · driving distance
3h 18min estimated drive time
$16 - $20 estimated fuel cost
~48min flight time
91° E bearing direction

How far is Decatur, Illinois from Indianapolis?

The distance from Decatur, Illinois to Indianapolis is 148.5 miles (239 km) as the crow flies. Indianapolis is located E of Decatur, Illinois. By car, the driving distance is approximately 170.5 miles, taking about 3h 18min. A direct flight would take roughly 48min. Both are located in United States — Decatur, Illinois in Illinois and Indianapolis 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 Indianapolis. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Decatur, Illinois to Indianapolis

Method Time Est. Cost Best For
Drive 3h 18min $16 - $20 Flexible stops
Fly ~48min $80–200* Speed
Bus ~3h 58min $14–$26* Budget
Train ~3h 8min $20–$60* Comfort

Suggested Stops Between Decatur, Illinois & Indianapolis

Quick Facts

Decatur, Illinois
39.84°N, 88.95°W
America/Chicago
205m elevation
Indianapolis
39.77°N, 86.16°W
America/New_York
218m elevation
Explore more routes from Indianapolis

Did You Know?

  • At walking speed (3 mph), it would take about 50 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 12 hours
  • You could travel this distance about 167.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM