Over 5,000 kilometers!
If it doesn't encounter extreme weather and doesn't need to deviate, and if it can land successfully at Yongshu Airport in one attempt without needing to go around again, the remaining fuel of the current large cargo plane should be sufficient.
But the problem is...
On this long flight distance, it's hard to say there won't be bad weather.
Those who have traveled to Nanhui Continent know that November and December are the rainy season, with frequent thunderstorms.
For the safety of the flight, it's generally best to avoid flying through thunderstorms—it's too dangerous—one tries to deviate as much as possible.
But any deviation means an increase in the flight distance.
Additionally.
Whether it's international practice or civil aviation flight regulations of various countries, airplanes must carry extra fuel for contingencies.
Domestic regulations state that the minimum fuel weight for an airplane must be enough for 30 minutes of continued flight.
