There are
2,511 mi
from Simi Valley, CA to Dunkirk, NY
That's the driving distance. It would take 1 day 20 hours to go from Simi Valley, California to Dunkirk, New York.
The flight distance (direct flight from Simi Valley, CA to Dunkirk, NY) is 2,189.46 mi.
2,511 mi = 3.22 kms