Moving truck gas cost from Chicago, IL to Oklahoma City, OK

The drive is about 794 miles. In a 15 to 17 ft rental truck getting around 9 MPG, fuel comes to roughly $390 at this week’s prices.

miles
Trip
$/ gallon

Average of Chicago and Midwest prices from EIA for the week of October 19, 2026.

More options: MPG, towing
MPG

Loaded rental trucks usually get 6 to 12 MPG. If the rental paperwork lists a figure for your truck, use that.

Fuel cost$390Likely $355 to $434

Compare

  • 10 to 12 ft truck$319save $71
  • 20 to 22 ft truck$439+$49
  • Towing a car$459+$69
  • Round trip$781+$390

794 miles at 9 MPG: 88.2 gallons, $0.49 a mile. The likely range allows for fuel economy 10% better or worse.

ChicagoOklahoma City

Routes from OSRM using© OpenStreetMap contributors data

Distance
794 miles
Driving days
2 at 450 mi a day
Behind the wheel
About 14 hours
Gas price used
$4.425 a gallon

Fuel cost by truck size

Based on 794 miles, a gas price of $4.425 and a diesel price of $6.352 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.

TruckMPGGallonsFuel costTowing a car
Cargo van1650$220$258
10 to 12 ft truck1172$319$376
15 to 17 ft truck988$390$459
20 to 22 ft truck899$439$517
26 ft truck7113$502$590
26 ft truck (diesel)899$630$742

The gap between the smallest and largest trucks on this route is about $282 in fuel alone, so it pays to rent only as much truck as you need.

Fuel prices at each end of the move

WhereGasDieselPrice basis
Chicago, IL$4.705$6.352Chicago average
Oklahoma City, OK$4.145$6.352Midwest average

Gas runs about $0.56 a gallon cheaper around Oklahoma City, OK. Most one-way rentals are returned near Oklahoma City, so that’s the cheaper place to top the tank back up to the level you picked it up at.

Weekly retail averages from the U.S. Energy Information Administration for the week of October 19, 2026. Prices along the way will vary. EIA source

Planning the drive

A loaded box truck is slower than a car on hills and safest at moderate speeds, and most drivers find 450 miles a comfortable day. That makes Chicago, IL to Oklahoma City, OK a 2-day drive, so budget for hotel nights and meals on top of fuel. The rental itself and any per-mile fees are charged separately from fuel.

Other moves

Going the other way? See Oklahoma City, OK to Chicago, IL.