There are
1,703 mi
from Concord, CA to Colleyville, TX
That's the driving distance. It would take 1 day 6 hours to go from Concord, California to Colleyville, Texas.
The flight distance (direct flight from Concord, CA to Colleyville, TX) is 1,439.34 mi.
1,703 mi = 1.61 kms