How long does it take to recover from several broken bones?

It varies: Fractures (broken bones) are caused by different degrees of trauma, and also injure the soft parts around the bone to some extent: muscles, ligaments, joints, skin. To break several bones at once involves more energy (more severe injury), often involving other body parts (belly, chest, etc). If the fractures are open, it can delay bone healing (infection, more bone damage. It may take 6-12 months.