The shortest driving time is 9 hours and 35 minutes.
About 6 hours
check Mapquest.com
about 6 long boring hours :)
5 hours and 40 minutes
About 14 hours.
23 hours
25 hours
About 18 hours.
nothing
12 minutes
It takes 5 to 10 hours to drive from Denver Colorado to sheridan wyoming
San Francisco is an 18 hour drive.