According to Google Earth - the shortest route (via I-15 N) is 891 miles - and would take just over 13 hours to drive.
256 miles
256 miles
172.3 miles
131 miles.
About 130 miles.
2558 miles
190 miles
96 miles.
It is 831.65 miles according to MapQuest.
313 miles
It is 864 miles according to MapQuest.
50 miles, but be sure and stop in Blackfoot, Idaho and see the Potato Expo.