There are
704 mi
from Rockford, IL to Canandaigua, NY
That's the driving distance. It would take 13 hours 34 mins to go from Rockford, Illinois to Canandaigua, New York.
The flight distance (direct flight from Rockford, IL to Canandaigua, NY) is 601.98 mi.
704 mi = 1,133.72 kms