The drive from Mackinaw City to Sault Ste. Marie is a 50-mile journey along the I-75 highway. This route takes you through the eastern part of the Upper Peninsula. The drive takes approximately 1 hour. It is the primary artery connecting the bridge to the Canadian border.
Total Distance: 80 km driving.
I-75 is a major interstate with many services.
Anytime, but summer is great for the locks.