There are
1,202 mi
from Olathe, KS to Sayreville, NJ
That's the driving distance. It would take 22 hours 48 mins to go from Olathe, Kansas to Sayreville, New Jersey.
The flight distance (direct flight from Olathe, KS to Sayreville, NJ) is 1,091.02 mi.
1,202 mi = 1.61 kms