"Regards south america I have only started to pencil in my route for
this. Obviously I need to get from Fiji to somewhere in south america,
at this point in time i'm after opinions of the best route really."

The most common South American routes for round the world travellers
a

1. Santiago to Lima mainly focusing on Bolivia and Peru.
2. Santiago to Rio de Janeiro mainly focusing on Chile and Argentina.
3. Buenos Aires to Rio de Janeiro mainly focusing on Brazil.