Please drive in the direction of Osaka from the Kyoto Minami of the Meishin motorway. You will see a trafic board directing to Katano in 30 minutes.
From the Daini Keihan Motorway:
If coming from Osaka, please get off at the Katano Minami Exit.
If coming from Kyoto, please get off at the Katano Kita Exit.
To search for a route to Katano in-more-depth, please use Zenrin Map or Google Map.
Zenrin Map (Japanese only): http://www.its-mo.com
Google Map (English): http://goo.gl/maps/b8P6Q