There are
1,248 mi
from Kansas City, MO to Rockville Centre, NY

That's the driving distance. It would take 23 hours 18 mins to go from Kansas City, Missouri to Rockville Centre, New York.

The flight distance (direct flight from Kansas City, MO to Rockville Centre, NY) is 1,112.71 mi.

1,248 mi = 1.61 kms