Hi, My sister and I are traveling to SA next week, April 10-20. We will be in Kruger 16-19 and will drive from Hoedspruit to Johannesburg on the 19th, our flight home is the 20th so we have plenty of time for the drive. How long of a drive is it and is it difficult? We want to sightsee along the way, where can we find out info on where to stop along the way? Thank you!!