Originally Posted by
Thom00992
Singapore is longer than SFO and GRU for sure

And also further than Tokyo it seems.
A map from the Great Circle Mapper - Great Circle Mapper
Thanks for the geography lesson.
There seems to have been somewhat of a sale on LP CDG-SIN on certain dates, it can be had for £8500 return when flying from the UK (a lot more expensive if you fly directly out of CDG)