Not rotorcraft (and not me either) but just for interest...
Boeing 777 departed Hong Kong last week to go to London..eastwards!
“We plan to smash the current record,” said Captain Suzanna Darcy-Hennemann, one of the four pilots of the 777-200LR Worldliner, one of Boeing’s newest planes.
The flight was expected to take about 23 hours and cover more than 12,586 miles, a Boeing statement said.
Link to News Article