Originally Posted by arfaczar

I just booked 4 J Class RTW ANA awards on BR, SQ, SA, ET & AV. The SA segment hit me with $242 & BR with another $33 in YQ surcharges, while the other origin/destination taxes/fees worked out to ~$250. If you're flying from Africa to South America on one of *A's African partners, it's impossible to avoid YQ, unless you opt for a longer route on a European partner.
GCMap dot com is a good tool to figure out total miles for any given routing. ITA matrix helps estimate YQ/YR surcharges and fees for each segment.
Good luck and have fun exploring the possibilities.