It's away 137km from sapporo,it takes around 2 hours and thirty minutes by car.
I recommed you Biei patchwork-Shikisainoka-Shirahige-no-taki Falls-blue pond-Farm tomoita-Ningle Terrace.
This course is most famouse for one day tour, The best way going there is a renting a car.
Also There are some bus tours from sapporo which is inclueded that course.