There are
247 mi
from Dearborn, MI to Niagara Falls, NY
That's the driving distance. It would take 5 hours 2 mins to go from Dearborn, Michigan to Niagara Falls, New York.
The flight distance (direct flight from Dearborn, MI to Niagara Falls, NY) is 216.79 mi.
247 mi = 398.18 kms