There are trains for Karjat from Chhatrapati Shivaji Terminus (CST) every half-an-our, which takes one and half hours to reach Karjat. Also there are trains from Pune station, which takes two hours to reach Karjat.
From Mumbai, we are 75 KM away and it takes one and half hours to reach us. From Pune, Karjat is 110 KM away and you can take Old Pune Mumbai (NH4) highway to reach us