How long is a flight from Adelaide to Rome?

A random search for flights from Adelaide (ADL) to Rome Fiumicino (FCO) shows: OPTION 1: 22hr 35min via Kuala Lumpur (KUL)

ADL - KUL Malaysia Airlines Flt 138 Dep 04:00pm 15Oct,Thu

KUL - FCO Malaysia Airlines Flt 014 Dep 11:45pm 15Oct,Thu

Flight Duration: 19hr 50min; Layover Time: 2hr 45min; Total Trip Time: 22hr 35min