Where is Slat Lake City
About six hours of driving time to cover that 380 miles.
MapQuest estimates the driving time as 7 hours and 44 minutes.
Memphis, St. Louis, Kansas City and Denver. But I wouldn't drive to Memphis to get to St. Louis, I would go through Illinois near Paducah.
Approximately 264 miles into your trip here: http://www.mapquest.com/maps?1c=Denver&1s=CO&2c=Salt+Lake+City&2s=UT
It is an estimated 7 hour and 44 minute drive covering 533.57 miles via I-80 West.
MapQuest estimates the driving time as 7 hours and 44 minutes.
St Louis, Kansas City, and Denver that's it.
Las Vegas is generally considered the halfway point between Salt Lake City and Las Vegas.
The driving distance from Denver, Colorado to Salt Lake City, Utah is 517 miles.
Salt Lake City, UT (SLC) to Denver, CO (DEN) Shortest Flight Duration 1 hour 19 mins
It is a five hour drive.