Road trip cost
At 575 miles and roughly 9 hr 18 min of driving, the route from St. George, UT to San Francisco, CA is a long-haul trip. Budget for multiple fuel stops, food, and possibly an overnight stay — gas alone can run well over a hundred dollars depending on your vehicle.
575 mi
9 hr 18 min
1
2
1 suggested fuel stop
Key takeaway
Drive intensity
Consider an overnight stop.
Pre-filled with the St. George → San Francisco distance.
Estimated Trip Cost
$0.00
Per Person
$0.00
Gallons
0.00gal
Total miles: 575 (one way).
We summarize publicly available data — no scraping, no external API calls. Figures are calibrated periodically; use the calculators above for your exact inputs.
Estimated one-way fuel cost at $3.45/gal (US average). Adjust for your local price.
Assuming a 28 MPG sedan over the 575-mile route.
$64.69
one way · ~20.5 gal
$70.85
one way · ~20.5 gal
$79.06
one way · ~20.5 gal
A typical 28 MPG sedan with a 12.5-gallon tank covers about 350 miles per fill-up. Plan 1 stop along the way and fuel up before any remote stretches.
Assuming a realistic 230-mile highway range, plan 2 DC fast-charging stops. Tesla Superchargers and Electrify America have strong coverage on most US corridors.
Midpoint
Fresno, CA
Roughly halfway between St. George and San Francisco. A natural place to fuel up, grab a meal, swap drivers, or stop overnight on longer drives.
Route personality
Long-distance interstate driveOvernight-friendlySt. George, UT
San Francisco, CA
Winter
Snow, ice and chain-control zones from late November through March — carry an emergency kit.
Summer
Desert highs over 110°F stress engines, tires and EV batteries — drive early or late, never midday.
Late summer / early fall
Western wildfire smoke can drop visibility and force I-5 / I-80 detours — check InciWeb.
For one or two people, driving usually wins on cost. Solo travelers with no luggage may find a budget flight cheaper once you add parking and meals.
A one-way drive uses about $71 in gas (28 MPG, $3.45/gal). A typical short domestic flight costs $80–$220 per person plus $30–$60/day for airport parking and any baggage fees.
October through April is most comfortable. Summer driving means extreme heat and higher AC fuel use.
Mostly toll-free — you can drive this without a transponder.
A mid-size sedan or hybrid is the sweet spot — comfortable for the distance with strong MPG.
High — swap drivers every 2–3 hours and consider splitting the drive over a meal stop.
At 9 hr 18 min of driving, splitting the trip across two days is safer and more enjoyable. Budget hotels along the route typically run $70–$130/night.
This 575-mile route between St. George, UT and San Francisco, CA is a popular drive in the region. Expect roughly 9 hr 18 min behind the wheel under normal traffic conditions.
The drive is about 575 miles and takes roughly 9 hr 18 min under normal traffic. Add buffer for stops, construction, and rush hour around either city.
In a 28 MPG sedan, expect about 20.5 gallons one way. A 22 MPG SUV would use roughly 26.1 gallons.
At the US average of $3.45/gal, a 28 MPG vehicle costs about $70.85 one way. Round trip roughly doubles that. Use the calculator above for your exact MPG and local gas price.
A typical gas sedan needs about 1 fuel stop one way. A modern EV with ~230 miles of highway range needs about 2 DC fast-charges.
For one or two people, driving usually wins on cost. Solo travelers with no luggage may find a budget flight cheaper once you add parking and meals.
October through April is most comfortable. Summer driving means extreme heat and higher AC fuel use.
Fresno, CA is roughly halfway and makes a natural fuel, food, or overnight break.
Estimated 575-mile fuel cost for each pick at average US prices. Tap any vehicle for a full cost breakdown.
Cheapest to drive
57 MPG · hybrid
~$35
est. one-way fuel cost
See full breakdownBest EV
134 MPGe · ev
~$23
est. one-way charging cost
See full breakdownBest sedan
37 MPG · sedan
~$54
est. one-way fuel cost
See full breakdownBest SUV for comfort
33 MPG · suv
~$60
est. one-way fuel cost
See full breakdownBest truck for cargo
26 MPG · truck
~$76
est. one-way fuel cost
See full breakdownRelated routes
Reverse drives, connecting routes and regional alternatives — each with distance and driving cost at current US gas prices.
Reverse drive
San Francisco to St. George driving cost
575 mi · 9.3 h
Other road trip cost estimates that start in St. George, UT.
Other routes with San Francisco, CA as the destination.
Same-state and neighboring-state drives with similar driving cost.
Longer connected routes leaving San Francisco, CA — great for multi-day road trip planning.
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