Missouri Secondary State Route O Monroe-Audrain Counties
Missouri Secondary State Route O runs north-south in Southeastern Monroe County, and Northeastern Audrain County. MO Sec St Rt O does not pass through any towns in Monroe-Audrain Counties. MO Sec St Rt O is not multi-plexed in Monroe-Audrain Counties. MO Sec St Rt O intersects the following highways in Monroe-Audrain Counties. Missouri Secondary State Route D, near Santa Fe.
