He told TeleRoma56: “I would gladly walk all the way if it meant returning to Roma.
“If I could go back in time, I would stay at Roma for life. Considering how much the fans loved me, I should’ve stayed quiet and accepted the jeers.
“I made a mistake with Totti. We were great friends, but I let my pride get in the way.”
Cassano is contracted to Real until 2010, but after a bust up with boss Fabio Capello, he could be set for a return to Italian football.