The drive from Corvallis to Las Vegas is approximately 1,400 kilometers and takes about 14 hours. The route involves heading north to Missoula, taking I-90 East to Butte, and then I-15 South all the way to Las Vegas. This is a major interstate route and is well-maintained year-round. Personal vehicles are the only practical mode of transport.
Total Distance: Driving distance 1,400 km; straight-line air distance 1,000 km.
I-15 is the fastest and safest route.
Year-round; I-15 is well-maintained.