Distance from Santa Rosa, CA to Simi Valley, CA
Driving directions and distance from Santa Rosa, CA to Simi Valley, CA. See miles, drive time, and estimated gas cost for the trip.
Trip cost calculator
Trip details
| From | Santa Rosa, California (population: 171,990) |
|---|---|
| To | Simi Valley, California (population: 126,181) |
| Driving distance | 452 miles |
| Straight-line (as the crow flies) | 362 miles |
| Estimated drive time | 7 hr 32 min (avg 60 mph) |
| Gas needed at 25 MPG | ~ 18.1 gallons |
| Gas needed at 30 MPG | ~ 15.1 gallons |
| Santa Rosa coordinates | 38.4404°, -122.7141° |
| Simi Valley coordinates | 34.2694°, -118.7815° |
Frequently asked questions
How many miles is it from Santa Rosa, CA to Simi Valley, CA?
The driving distance from Santa Rosa, CA to Simi Valley, CA is approximately 452 miles by road. As the crow flies (straight line), the two cities are 362 miles apart.
How long is the drive from Santa Rosa, CA to Simi Valley, CA?
The drive takes about 7 hr 32 min at an average speed of 60 mph. Actual time will depend on traffic, weather, your driving speed, and how often you stop. Plan for additional time on routes with construction, urban congestion, or scenic detours.
How much will gas cost?
For a vehicle averaging 25 MPG, expect to use about 18.1 gallons — roughly $62 at $3.40/gallon. A more efficient vehicle (30 MPG) would use about 15.1 gallons, or $51. Use the calculator above to plug in your own MPG and local gas price.
What's the best route?
The figures above show the most direct driving route. For real-time turn-by-turn directions, current traffic conditions, and to compare alternative routes (interstate vs. scenic), use Google Maps or your preferred GPS app. Toll roads may shave time but add cost — check ahead for E-ZPass / SunPass / FasTrak coverage.