USA › Road trip gas calculator › Chicago to Indianapolis
Chicago to Indianapolis: gas cost
About 185 miles one way. Fuel cost at this week’s average regular price in Chicago: $4.706 per gallon (EIA, week of Nov 2, 2026).
Fuel cost by vehicle
| Vehicle | MPG | Gallons | One way | Round trip |
|---|---|---|---|---|
| Compact car | 35 | 5.3 | $24.87 | $49.75 |
| Midsize sedan | 30 | 6.2 | $29.02 | $58.04 |
| SUV / crossover | 24 | 7.7 | $36.28 | $72.55 |
| Pickup truck | 18 | 10.3 | $48.37 | $96.73 |
💡 Indiana is often cheaper than Chicago, but its prices swing sharply from day to day.
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FAQ
How much does it cost to drive from Chicago to Indianapolis?
At about 185 miles and this week’s average of $4.706 per gallon (Chicago), a car averaging 30 MPG uses about 6.2 gallons – roughly $29.02 one way or $58.04 round trip.
How many gallons of gas from Chicago to Indianapolis?
About 5.3 gallons for a 35 MPG car, 7.7 for a 24 MPG SUV and 10.3 for an 18 MPG pickup.
Gas prices by state this week → · Gas price history → · More calculators →
Distances are approximate driving distances. Gas prices: U.S. Energy Information Administration weekly averages for regular gasoline; actual prices along the route vary.