Flying time would be about 9 hours for 10,000 nm on board a Concorde. Problem is the range of just 3,900 nm. So you need to jump from airport to airport with rather long runways. That will also...
The fastest and cheapest way would have been to use the Australian KC-30 standard today and add on features like main deck cargo and hardened cockpit later on. The price tag for the late KC-46...
Rice and dehydrated Sauerkraut.
On such a long journey a greenhouse would also be nice to keep the crew busy.
Far less white ink is necessary to make the communist moon the biggest coke billboard ever.
Australia via Antartica to Africa or South Amerca.