Denver to Simi Valley: Road Trip Guide & Distance

848.4 miles 1365.3 km · straight line
1035 miles actual route 1665.7 km · driving distance
18h 26min estimated drive time
$100 - $123 estimated fuel cost
~2h 12min flight time
248° WSW bearing direction

How far is Denver from Simi Valley?

The distance from Denver to Simi Valley is 848.4 miles (1365.3 km) as the crow flies. Simi Valley is located WSW of Denver. By car, the driving distance is approximately 1035 miles, taking about 18h 26min. A direct flight would take roughly 2h 12min. Both are located in United States — Denver in Colorado and Simi Valley in California.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Denver and Simi Valley. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Denver to Simi Valley

Method Time Est. Cost Best For
Drive 18h 26min $100 - $123 Flexible stops
Fly ~2h 12min $80–200* Speed
Bus ~22h 7min $83–$155* Budget
Train ~23h 58min $124–$362* Comfort

Suggested Stops Between Denver & Simi Valley

Quick Facts

Denver
39.74°N, 104.99°W
America/Denver
1609m elevation
Simi Valley
34.27°N, 118.78°W
America/Los_Angeles
234m elevation
Explore more routes from Simi Valley

Did You Know?

  • At walking speed (3 mph), it would take about 283 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 71 hours
  • You could travel this distance about 29.4 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM