There are
1,636 mi
from Tustin, CA to Grain Valley, MO
That's the driving distance. It would take 1 day 4 hours to go from Tustin, California to Grain Valley, Missouri.
The flight distance (direct flight from Tustin, CA to Grain Valley, MO) is 1,359.44 mi.
1,636 mi = 1.61 kms