The drive from Castaic to Salt Lake City is a 700-mile trip using the I-5 North and I-15 North. You will travel through the scenic desert landscapes of California, Nevada, and Utah. Travel time is typically 11 hours, though it can vary based on traffic and weather. This route is a major connection between Southern California and the Intermountain West. It is a beautiful drive with significant mountain and desert scenery.
Total Distance: 1120 km driving distance; 950 km straight-line air distance.
The I-15 through the desert is long and remote; check your fuel levels.
Spring and Fall offer mild temperatures and avoid the intense heat of the desert summer.