Drive or Fly: Fontana, CA to San Anselmo, CA?

Side-by-side comparison of driving versus flying for this route. Costs, time, and trade-offs at a glance.

Driving wins

Medium

Driving is significantly cheaper and the distance is manageable in one day.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

8h 14m

Distance

439.3 mi

Total Cost

$118

CO2

177 kg

Cost Breakdown

Diesel$83

Hotel (1 room, 0 nights) $0

Meals (1 pax, 1 day) $35

+ No luggage restrictions or TSA lines

+ Comfortable one-day drive

+ Stop anywhere along the route

+ Have your own car at the destination

+ Likely faster door-to-door than flying

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 40m

47m in the air

Air Distance

392 mi

Total Cost

$191

CO2

100 kg

Door-to-Door Timeline

Fontana, CA → ONT 15m

Check-in & Security 90m

Flight 47m

Arrival & Baggage 30m

OAK → San Anselmo, CA 38m

Cost Breakdown

Ticket (1 pax @ $136) $136

Rental car (1 day)$55

Airports

Fontana, CA ONT — Ontario International Airport 10 mi, ~15m drive

San Anselmo, CA OAK — Oakland San Francisco Bay Airport 26 mi, ~38m drive

Flight Data

Service

Connecting only

On-Time

100.0%

+ Saves about 4h 34m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− May need a rental car at destination

− Luggage fees and restrictions

− Less flexibility for stops along the way

At a Glance

	Drive	Fly
Door-to-door time	8h 14m	3h 40m
Total cost (1 person)	$118	$191
Carbon footprint	177 kg CO₂	100 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	100% on-time

Drive data: OSRM routing, EIA fuel prices

Flight data: Statistical estimate

Airports: OurAirports

Confidence: Medium — airports identified, fares estimated

Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Jul 20, 2026.

Decided to drive? See the full trip plan from Fontana, CA to San Anselmo, CA with stops, fuel costs, and turn-by-turn directions.