314 metres (1,030 feet and 2.2 inches) and 1,030 feet (313.94 metres)
about 28 miles
It is close to 144 miles from Duluth to St. Paul on Interstate 35 with a speed limit of 70, but many drive close to 80, so the drive is under 2 hours long.
about 75 miles
about 5-7 miles