About 10 hours:
Starting at Incheon International Airport in Seoul, South Korea, take Korean Air flight to San Francisco International Airport. Then, drive to Brisbane (about a 15 minute drive).
From Brisbane to Gladstone is a distance of 513 km and takes about 7 hours to travel.
It varies depending on the traffic. Travel time between Brisbane and Yeppoon would range between 7.5 hours and 8.5 hours.
To travel from Melbourne to Brisbane, you would travel in a north-northeasterly direction.
A direct flight from Seoul to Bali would take 7 hours.
From Brisbane to Part Macquarie is a distance of about 554 kilometres, and would take around seven and a half hours to travel, non-stop. With rest breaks, one should allow a whole day to travel.
It takes around ten hours to drive from Brisbane to Mackay if one drives without breaks. Realistically, it is too far to travel in one day.
north
From Brisbane to Port Augusta by road, travelling via Moree and Broken Hill, is a distance of 1960km, and would take around 23 hours of non-stop travel to complete.
A nonstop flight from Hong Kong to Seoul would be about three hours and 35 minutes.
The flight from Seoul to Guam would take approximately 4 hours and 29 minutes.
west and slightly south
West and slightly South.