Prekestolen in Rogaland is located about a 4 hours drive from Vrådal. This trip can be combined with an overnight stay in Stavanger.
We would recommend combining a hiking trip to Prekestolen with an overnight stay in Stavanger. You can leave for Stavanger in the morning and explore the city and it's many attractions on your first day. We recommend you visit the Oil museum. The next day, you can start early with a hike to Prekestolen, and then drive back to Vrådal in the afternoon.