10 or 11 hours, depending on your stamina and the weather.
Any USA driving time can be found quickly with Google Maps.
It takes 5 to 10 hours to drive from Denver Colorado to sheridan wyoming
It is 255 miles.
About an hour and a quarter.
It is a 2.5 hour drive on I-70 East.
12 minutes
5 minutes
San Francisco is an 18 hour drive.
in good traffic about 2 hours
about 2 minutes
12 hours
24 hours
It is 81.66 miles requiring a drive if 1 hour and 399 minutes according to MapQuest.