unless you only stay in Colombo or you have plenty of time to take public transportation, the best way to travel across Sri Lanka is to rent a car with English speaking chauffeur
you will find many car rental companies in Sri Lanka on internet, to play safe, we asked hotel for a referral. The transfer cost from Galle (Amangalla) to Hatton (Ceylon Tea Trails) was USD230.
the distance between Galle and Hatton is 210 km (160 km from Colombo Airport), the drive time is around 5.5 – 6 hours.
from hot & humid Galle to cool hill country