There are
1,551 mi
from Tempe, AZ to St Peter, MN
That's the driving distance. It would take 1 day 5 hours to go from Tempe, Arizona to St Peter, Minnesota.
The flight distance (direct flight from Tempe, AZ to St Peter, MN) is 1,221.14 mi.
1,551 mi = 1.61 kms