Moving truck gas cost from Chicago, IL to Boise, ID

The drive is about 1,697 miles. In a 15 to 17 ft rental truck getting around 9 MPG, fuel comes to roughly $865 at this week’s prices.

miles
Trip
$/ gallon

Average of Chicago and Rocky Mountain 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$865Likely $786 to $961

Compare

  • 10 to 12 ft truck$708save $157
  • 20 to 22 ft truck$973+$108
  • Towing a car$1,018+$153
  • Round trip$1,730+$865

1,697 miles at 9 MPG: 188.6 gallons, $0.51 a mile. The likely range allows for fuel economy 10% better or worse.

ChicagoBoise

Routes from OSRM using© OpenStreetMap contributors data

Distance
1,697 miles
Driving days
4 at 450 mi a day
Behind the wheel
About 29 hours
Gas price used
$4.587 a gallon

Fuel cost by truck size

Based on 1,697 miles, a gas price of $4.587 and a diesel price of $6.387 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.

TruckMPGGallonsFuel costTowing a car
Cargo van16106$487$572
10 to 12 ft truck11154$708$833
15 to 17 ft truck9189$865$1,018
20 to 22 ft truck8212$973$1,145
26 ft truck7242$1,112$1,308
26 ft truck (diesel)8212$1,355$1,594

The gap between the smallest and largest trucks on this route is about $626 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
Boise, ID$4.468$6.422Rocky Mountain average

Gas runs about $0.24 a gallon cheaper around Boise, ID. Most one-way rentals are returned near Boise, 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 Boise, ID a 4-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 Boise, ID to Chicago, IL.