Drive or Fly: Allendale, CA to San Diego, CA?

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

Driving wins

Medium

No scheduled commercial flights found for SMF–SAN. At 525 miles, driving is the only practical option.

Passengers:

Vehicle:

Find Your Vehicle (EPA fuel economy data)

Drive

Door to Door

8h 52m

Distance

525.6 mi

Total Cost

$151

CO2

212 kg

Cost Breakdown

Diesel$116

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

− Driver fatigue on longer stretches

− Wear and tear on vehicle

− Fuel price fluctuations

Plan the drive

Fly

Door to Door

3h 46m

57m in the air

Air Distance

478 mi

Total Cost

$194

CO2

122 kg

Door-to-Door Timeline

Allendale, CA → SMF 39m

Check-in & Security 90m

Flight 57m

Arrival & Baggage 30m

SAN → San Diego, CA 10m

Cost Breakdown

Ticket (1 pax @ $139) $139

Rental car (1 day)$55

Airports

Allendale, CA SMF — Sacramento International Airport 26 mi, ~39m drive

San Diego, CA SAN — San Diego International Airport 2 mi, ~10m drive

No scheduled flights found

No commercial flights between SMF and SAN. Flight estimates above are theoretical.

+ Saves about 5h 6m compared to driving

+ Less physical fatigue

+ Predictable arrival time

− Airport security and check-in overhead

− No scheduled commercial flights found for this route

− 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 52m	3h 46m
Total cost (1 person)	$151	$194
Carbon footprint	212 kg CO₂	122 kg CO₂
Flexibility	High	Low
Luggage	Unlimited	Restricted
Reliability	Weather dependent	Data unavailable

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 Apr 15, 2026.

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