There are
2,782 mi
from Petaluma, CA to Ithaca, NY
That's the driving distance. It would take 2 days 1 hour to go from Petaluma, California to Ithaca, New York.
The flight distance (direct flight from Petaluma, CA to Ithaca, NY) is 2,417.09 mi.
2,782 mi = 4,476.64 kms