There are
2,687 mi
from Roseville, CA to Ithaca, NY
That's the driving distance. It would take 1 day 23 hours to go from Roseville, California to Ithaca, New York.
The flight distance (direct flight from Roseville, CA to Ithaca, NY) is 2,336.07 mi.
2,687 mi = 3.22 kms