There are
2,525 mi
from Glendale, CA to Niagara Falls, NY
That's the driving distance. It would take 1 day 20 hours to go from Glendale, California to Niagara Falls, New York.
The flight distance (direct flight from Glendale, CA to Niagara Falls, NY) is 2,183.66 mi.
2,525 mi = 3.22 kms