There are
1,413 mi
from Irvine, CA to Denison, TX
That's the driving distance. It would take 1 day to go from Irvine, California to Denison, Texas.
The flight distance (direct flight from Irvine, CA to Denison, TX) is 1,219.53 mi.
1,413 mi = 2,273.48 kms