Minnesota State Highway 30 (MN 30) is a 265.503-mile-long (427.286 km) highway in southwest and southeast Minnesota, which runs from South Dakota Highway 34 at the South Dakota state line near Airlie, west of Pipestone, and continues to its eastern terminus at its intersection with Minnesota Highway 43 in Rushford.

Minnesota State Highway 43 is a highway in southeast Minnesota, which runs from its intersection with State Highway 44 in Mabel and continues north to its northern terminus at the Wisconsin state line at Winona, where it becomes Wisconsin Highway 54 upon crossing the Mississippi River.