The journey from Mandan to Rapid City covers approximately 450 kilometers along US-85 South. Driving takes about 5 hours. This route crosses the plains of North Dakota and enters the scenic Black Hills region of South Dakota. Rapid City is the gateway to Mount Rushmore and other national monuments. Expect a straightforward drive.
Total Distance: 450 km driving, 420 km air distance.
The drive is very scenic and easy to navigate.
May to September for pleasant weather.