With stopovers, the total travel time can range from approximately 19 hours to over 24 hours, depending on the airline and the layovers. The connecting airports may vary and can include cities like Singapore (SIN), Sydney (SYD), Melbourne (MEL), or Dubai (DXB).
It's always a good idea to check the specific flight itineraries and timings with the airline or travel booking platform to confirm the exact duration of the journey, as it can vary based on factors such as route variations, weather conditions, and airline schedules.