How many hours flight time Melbourne to Guam?

The flight time from Melbourne (MEL) to Guam (GUM) is approximately 12 hours and 30 minutes for a direct flight. If the flight is connecting or has stopovers, it may take longer. The flight distance between the two cities is approximately 7,095 kilometers or 4,410 miles. The flight time can also vary depending on the specific airline, the flight route taken, and the prevailing wind conditions on the day of travel.