There are
930 mi
from Temecula, CA to Rexburg, ID
That's the driving distance. It would take 16 hours 1 min to go from Temecula, California to Rexburg, Idaho.
The flight distance (direct flight from Temecula, CA to Rexburg, ID) is 769.68 mi.
930 mi = 1,497.46 kms