There are
2,083 mi
from Schenectady, NY to Great Falls, MT
That's the driving distance. It would take 1 day 14 hours to go from Schenectady, New York to Great Falls, Montana.
The flight distance (direct flight from Schenectady, NY to Great Falls, MT) is 1,830.61 mi.
2,083 mi = 3,352.75 kms