Drive or Fly: Fremont, CA to National City, 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 SJC–SAN. At 480 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
9h 12m
Distance
480.3 mi
Total Cost
$141
CO2
194 kg
Cost Breakdown
Fly
Door to Door
3h 22m
52m in the air
Air Distance
435 mi
Total Cost
$192
CO2
111 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SJC and SAN. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 9h 12m | 3h 22m |
| Total cost (1 person) | $141 | $192 |
| Carbon footprint | 194 kg CO2 | 111 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 17, 2026.
Route Options
2 different routes between these cities.
via I 5, I 5 Truck, CA 152
via US 101, US 101; CA 156, I 5
Decided to drive? See the full trip plan from Fremont, CA to National City, CA with stops, fuel costs, and turn-by-turn directions.