The trip from Keystone to Rapid City is a short 25-mile drive along US Highway 16, also known as the Mount Rushmore Road. You can easily make this journey in about 30 to 40 minutes by car. There is no direct train service, but local shuttle services and private vehicles are common. The route takes you through the scenic foothills of the Black Hills.
Total Distance: 40 km driving, 35 km air distance.
The drive is very straightforward and well-marked.
Year-round, though summer offers the most scenic driving conditions.