There are
2,631 mi
from Antioch, CA to Tonawanda, NY
That's the driving distance. It would take 1 day 22 hours to go from Antioch, California to Tonawanda, New York.
The flight distance (direct flight from Antioch, CA to Tonawanda, NY) is 2,257.91 mi.
2,631 mi = 4,234.59 kms