19 to 20 hours
9 hours
23 and 1/2 hours
4 hours
A little under three hours
About 3 days of driving. At least, that's how long it takes me from Tucson, AZ to Rapid City, SD and Sioux Falls is about 2 hours away from Rapid City.
21 hours
16 and 1/2 hours
just under 10 hours
23 and 1/2 hours
12 and 1/2 hours
12 and 1/2 hours