Fuel cost calculator · About 635 miles
Gas cost from Portland to San Francisco
The drive from Portland, OR to San Francisco, CA is about 635 miles, so a round trip costs about $223.55 in gas at this week's average of $5.28 a gallon. Change the car, fuel or distance below for your own figure.
What the trip costs by vehicle
| Vehicle | One way | Round trip |
|---|---|---|
| Compact car (33 mpg) | $101.62 | $203.23 |
| Midsize sedan (30 mpg) | $111.78 | $223.55 |
| Hybrid (50 mpg) | $67.07 | $134.13 |
| Minivan (22 mpg) | $152.42 | $304.85 |
| SUV (24 mpg) | $139.72 | $279.44 |
| Pickup truck (19 mpg) | $176.49 | $352.98 |
Regular gas at $5.281 a gallon, the average of this week's Oregon and California prices, from the EIA’s weekly survey. Fuel only: tolls and parking are not included.
Fuel economy figures are round examples for each kind of vehicle, not official ratings. Your own car's EPA rating is on fueleconomy.gov.
Distance: fastest route between city centres, rounded to the nearest 5 miles, calculated with OSRM on OpenStreetMap road data (© OpenStreetMap contributors), measured November 2026.
635 miles in Oregon
$111.76
21.2 gallons at $5.28 a gallon
$23.85 more than the same trip at the national average.
- Per mile
- 17.6¢
- A full tank
- $79.20
- about 450 miles
- A year of driving
- $2,112
- $176 a month
Where to fill up
Regular is about $0.93 a gallon cheaper in Oregon than in California this week, $14.02 on a 15-gallon fill. Fill the tank on the Oregon side of the trip. See how Oregon’s gas tax compares.
Portland to San Francisco by car
- How much does gas cost from Portland to San Francisco?
- About $111.78 one way, or $223.55 for the round trip, in a car that gets 30 mpg. That assumes 635 miles and this week's average regular price of $5.28 a gallon. An SUV at 24 mpg spends about $139.72 one way; a hybrid at 50 mpg about $67.07.
- How far is Portland from San Francisco by car?
- About 635 miles on the fastest route between the two city centres, measured on OpenStreetMap road data. Your own start and end points may make it a little longer or shorter; type your distance into the calculator for an exact figure.
- How many gallons of gas does the drive take?
- About 21.2 gallons one way at 30 mpg. That is more than a typical 15-gallon tank, so plan on at least 1 fuel stop.
- Is gas cheaper in Oregon or California?
- This week regular is about $0.93 a gallon cheaper in Oregon, which is $14.02 on a 15-gallon fill. About 34¢ of that gap is state fuel tax. Filling up before you leave Oregon saves the most.