Missouri Secondary State Route F is a short north-south highway in Adair County. It runs from Missouri State Route 6 to Missouri Secondary State Route V. MO Sec St Rt F does not pass through any towns in Adair County. MO Sec St Rt F is not multi-plexed in Adair County. MO Sec St Rt F intersects the following highways in Adair County. Missouri State Route 6, near Kirksville.