Drive or Fly: Grass Valley, CA to Fontana, 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–ONT. At 486 miles, driving is the only practical option.
Find Your Vehicle (EPA fuel economy data)
· · Fuel cost: $
Drive
Door to Door
9h 6m
Distance
486.2 mi
Total Cost
$142
CO2
196 kg
Cost Breakdown
Fly
Door to Door
4h 13m
49m in the air
Air Distance
407 mi
Total Cost
$191
CO2
104 kg
Door-to-Door Timeline
Cost Breakdown
Airports
No scheduled flights found
No commercial flights between SMF and ONT. Flight estimates above are theoretical.
At a Glance
| Drive | Fly | |
|---|---|---|
| Door-to-door time | 9h 6m | 4h 13m |
| Total cost (1 person) | $142 | $191 |
| Carbon footprint | 196 kg CO2 | 104 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.
Decided to drive? See the full trip plan from Grass Valley, CA to Fontana, CA with stops, fuel costs, and turn-by-turn directions.