There are
2,176 mi
from Great Falls, MT to Schenectady, NY
That's the driving distance. It would take 1 day 15 hours to go from Great Falls, Montana to Schenectady, New York.
The flight distance (direct flight from Great Falls, MT to Schenectady, NY) is 1,830.61 mi.
2,176 mi = 3,501.91 kms