There are
1,668 mi
from Concord, CA to Fredericksburg, TX
That's the driving distance. It would take 1 day 4 hours to go from Concord, California to Fredericksburg, Texas.
The flight distance (direct flight from Concord, CA to Fredericksburg, TX) is 1,422.64 mi.
1,668 mi = 1.61 kms