Saint George to Simi Valley: Road Trip Guide & Distance

How far is Saint George from Simi Valley?

The distance from Saint George to Simi Valley is 351.3 miles (565.3 km) as the crow flies. Simi Valley is located WSW of Saint George. By car, the driving distance is approximately 421.5 miles, taking about 8h 29min. A direct flight would take roughly 1h 12min. Both are located in United States — Saint George in Utah and Simi Valley in California.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. 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.

Coordinates come from public place data for Saint George and Simi Valley. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.