Drive or Fly: Penn Valley, 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
MediumNo scheduled commercial flights found for SMF–SAN. At 573 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
9h 33m
Distance
573 mi
Total Cost
$162
CO2
231 kg
Cost Breakdown
Fly
Door to Door
4h 11m
1h in the air
Air Distance
501 mi
Total Cost
$195
CO2
128 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SMF and SAN. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 9h 33m | 4h 11m |
| Total cost (1 person) | $162 | $195 |
| Carbon footprint | 231 kg CO2 | 128 kg CO2 |
| Flexibility | High | Low |
| Luggage | Unlimited | Restricted |
| Reliability | Weather dependent | Data unavailable |
Costs are estimates. Actual flight prices vary by airline, date, and booking time. Drive costs based on OSRM routing, EIA fuel prices. Computed Apr 16, 2026.
Route Options
2 different routes between these cities.
via I 5, I 5 Truck, I 80
via I 5, I 15, I 5 Truck
Decided to drive? See the full trip plan from Penn Valley, CA to San Diego, CA with stops, fuel costs, and turn-by-turn directions.