523 miles
Dallas to Denver -- about 800 miles Dallas to Salt Lake -- about 1250 miles
The driving distance from Denver, Colorado to Salt Lake City, Utah is 517 miles.
It is 533.57 miles according to MapQuest.
Salt Lake City, the capital city of Utah, is approximately 400 miles west of Denver.
Salt Lake City, UT (SLC) to Denver, CO (DEN) Shortest Flight Duration 1 hour 19 mins
Denver, Colorado and Cheyenne, Wyoming are the largest cities that are approximately 500 miles east of Salt Lake City.
Utah is immediately west of Colorado. Its capital, Salt Lake City, is 523 miles from Denver.
It is 533.57 miles according to MapQuest.
It is 533.57 miles via 1-80.
354 miles taking this route:Take I-80 EAST from Salt Lake City to I-25 SOUTH to DENVER off EXIT 359A in CHEYENNE, WYOMING.Take I-25 SOUTH to Denver.
Approximately 264 miles into your trip here: http://www.mapquest.com/maps?1c=Denver&1s=CO&2c=Salt+Lake+City&2s=UT
About six hours of driving time to cover that 380 miles.