Missouri Secondary State Route O is a east-west highway in Northern Stoddard County. This runs from Missouri State Route 25/91 to Missouri Secondary State Route P, at Painton. MO Sec St Rt O passes through the following town in Stoddard County. Painton MO Sec St Rt O is not multi-plexed in Stoddard County. MO Sec St Rt O intersects the following highways in Stoddard County. Missouri State Route 25, near Advance. Missouri State Route 91, near Advance.