Max Kingsley-Jones / Flight International
Boeing flew the 777-200LR variant 21,601km in 22h 42mins without refuelling from Hong Kong to London,
Was that going the long way round? Or the return distance going the usual way?
Eastbound, one way.
So what route did they fly to get 21,601 km? The shortest GC distance HKG - LHR is 9647 km.