There are
1,900 mi
from Tustin, CA to Galesburg, IL
That's the driving distance. It would take 1 day 9 hours to go from Tustin, California to Galesburg, Illinois.
The flight distance (direct flight from Tustin, CA to Galesburg, IL) is 1,580.29 mi.
1,900 mi = 3,057.02 kms