There are
1,007 mi
from Chatham, IL to Patchogue, NY
That's the driving distance. It would take 19 hours 14 mins to go from Chatham, Illinois to Patchogue, New York.
The flight distance (direct flight from Chatham, IL to Patchogue, NY) is 882.35 mi.
1,007 mi = 1,620.62 kms