The state Highway 88 (SH 88) connects Mysore with Madikeri town. The distance is approximately 115km (72 miles) .
The route is : Mysore - > Yelwal -> Hunsur(bypass) -> Kempalapura -> Piriyapatna -> Bylakuppe -> Kushalnagara -> Suntikoppa -> Madikeri .
You can find a detailed account of the driving directions from Mysore to Madikeri in : Bangalore to Coorg by road
And finally when you make it to Coorg, you find everything changed in one stroke. The air is cold and misty. The smell is predominantly of coffee, but still with a hint of dried ginger, cardamom and orange in that order.