21 and 1/2 hours
It depends on how fast you drive. However, as an example, if you maintained an average speed of 65 mph, the time to drive the 1,423 miles from Boston to Kansas City KS would be about 21 hours and 53 minutes. You would have to add time for stops, detours and other delays.
2 hours
17 hours
8 and 1/2 hours
If it is Kansas City, Missouri, then from about 12 and a half to 15 and a half hours.
between 6 and 6 and 1/2 hours
21
8 hours
The drive from Kansas City Ks. to St. Paul Mn. would take about 6 and a half hours.
The shortest time is 25 hours.
8 hours
12 hours