There are
1,223 mi
from Rowlett, TX to Lehi, UT
That's the driving distance. It would take 23 hours 6 mins to go from Rowlett, Texas to Lehi, Utah.
The flight distance (direct flight from Rowlett, TX to Lehi, UT) is 990.78 mi.
1,223 mi = 1,968.42 kms