There are
2,913 mi
from Mt Vernon, NY to Larkspur, CA
That's the driving distance. It would take 2 days 3 hours to go from Mt Vernon, New York to Larkspur, California.
The flight distance (direct flight from Mt Vernon, NY to Larkspur, CA) is 2,573.66 mi.
2,913 mi = 4,688.78 kms