US 59 / MN 23 at Marshall US 71 at New Avon Township MN 67 at Morgan US 14 / MN 4 at Sleepy Eye Minnesota State Highway 68 (MN 68) is a 141.026-mile-long (226.959 km) highway in southwest and south-central Minnesota, which runs from South Dakota Highway 22 at the South Dakota state line near Canby, and continues east to its eastern terminus at its intersection with U.S. Highway 169 and State Highway 60 in South Bend Township near Mankato.

State Highway 68 serves as an east–west route in southwest and south-central Minnesota between Canby, Minneota, Marshall, Morgan, Sleepy Eye, New Ulm, and Mankato.

Minneopa State Park is located five miles (8 km) west of Mankato.

[3] Its western terminus was extended to the South Dakota state line in 1934.

Many remaining sections of the present day Highway 68 were still gravel by 1953.