Moving truck gas cost from Boise, ID to San Francisco, CA

The drive is about 640 miles. In a 15 to 17 ft rental truck getting around 9 MPG, fuel comes to roughly $372 at this week’s prices.

miles
Trip
$/ gallon

Average of Rocky Mountain and San Francisco 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$372Likely $338 to $414

Compare

  • 10 to 12 ft truck$305save $68
  • 20 to 22 ft truck$419+$47
  • Towing a car$438+$66
  • Round trip$745+$372

640 miles at 9 MPG: 71.1 gallons, $0.58 a mile. The likely range allows for fuel economy 10% better or worse.

BoiseSan Francisco

Routes from OSRM using© OpenStreetMap contributors data

Distance
640 miles
Driving days
2 at 450 mi a day
Behind the wheel
About 12 hours
Gas price used
$5.235 a gallon

Fuel cost by truck size

Based on 640 miles, a gas price of $5.235 and a diesel price of $7.332 a gallon. Towing a car on a trailer or dolly lowers fuel economy by about 15%.

TruckMPGGallonsFuel costTowing a car
Cargo van1640$209$246
10 to 12 ft truck1158$305$358
15 to 17 ft truck971$372$438
20 to 22 ft truck880$419$493
26 ft truck791$479$563
26 ft truck (diesel)880$587$690

The gap between the smallest and largest trucks on this route is about $269 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
Boise, ID$4.468$6.422Rocky Mountain average
San Francisco, CA$6.001$8.242San Francisco average

Gas runs about $1.53 a gallon cheaper around Boise, ID. Fill the tank before you leave Boise and stretch it as far as you safely can.

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 Boise, ID to San Francisco, CA 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 San Francisco, CA to Boise, ID.