How long is a flight from Kuala Lumpur to Perth?

A random search for flights from Brisbane (BNE) to Male (MLE) shows:

OPTION 1: 13hr 30min via Singapore (SIN)
BNE - SIN Qantas Airways Flt 51 Dep 01:40pm Wed/Thu/Fri
SIN - MLE Singapore Airlines Flt 452 Dep 08:40pm Wed/Thu/Fri
Flight Duration: 12hr 20min; Layover Time: 1hr 10min; Total Trip Time: 13hr 30min