There are
2,833 mi
from Simi Valley, CA to Poughkeepsie, NY
That's the driving distance. It would take 2 days 2 hours to go from Simi Valley, California to Poughkeepsie, New York.
The flight distance (direct flight from Simi Valley, CA to Poughkeepsie, NY) is 2,467.57 mi.
2,833 mi = 3.22 kms