There are
1,353 mi
from Boynton Beach, FL to Niagara Falls, NY
That's the driving distance. It would take 1 day 1 hour to go from Boynton Beach, Florida to Niagara Falls, New York.
The flight distance (direct flight from Boynton Beach, FL to Niagara Falls, NY) is 1,146.40 mi.
1,353 mi = 1.61 kms