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Popular Road Trip Route
Phoenix, AZ to San Diego, CA Gas Cost
Desert-to-coast route via I-8 crossing Yuma and the Imperial Sand Dunes. Fill up in Arizona where gas is substantially cheaper before crossing into California.
Distance 355 miles
Est. Drive Time 5.5 hours
Est. Fuel Needed~12.7 gallons
Est. Total Gas~$50.08
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Trip Inputs
miles
355 mi
Round-Trip RouteOne-way only
MPG
28 MPG
$/gal
$3.95
Cost Per Person
$16.69
Total fuel cost is $50.08 for 355 miles (12.68 gal).
Total Fuel Cost
$50.08
Fuel Needed
12.68 gal
Fuel Cost Per Mile:$0.1411 / mi
Effective Distance:355 miles
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Route Planning & Gas FAQs
Frequently Asked Questions
For a typical vehicle averaging 28 MPG, driving the 355-mile route from Phoenix, AZ to San Diego, CA requires approximately 12.7 gallons of fuel, costing roughly $50.08 at current regional gas prices ($3.95/gal).