There are
2,017 mi
from Brownsville, TX to Larkspur, CA
That's the driving distance. It would take 1 day 11 hours to go from Brownsville, Texas to Larkspur, California.
The flight distance (direct flight from Brownsville, TX to Larkspur, CA) is 1,679.38 mi.
2,017 mi = 3.22 kms