Originally Posted by UK flyer

With The Great Escapade fare on VS/SQ/NZ your routing LAX-NRT-SIN-JNB-LHR-LAX is quite simple and perfectly valid. So long as it includes only one transpacific and one transatlantic sector you can go in any direction and it doesn't have to be in a continuous direction. AFAIK that's the only VS and SQ RTW product currently on offer.