MAC Travel and Events (MAC Viagens e Eventos) is the official tourism agency of the XVII Brazilian Congress of Toxicology and it can plan your entire trip. Contact them by the email macsp@macviagens.com.br

If you prefer to arrange your own trip, you can come to Ribeirao Preto as follow:

AIRWAY:

There are numerous direct flights departing from several cities all over the world, landing in São Paulo and Rio de Janeiro. After that you can take a domestic flight directly to Ribeirão Preto. More information can be found on the websites of the airlines themselves.

LAND:

Ribeirão Preto is on the outskirts of the Anhanguera Highway (km 307), officially called SP-330.
Is part of the BR-050, which connects Brasília to Santos, and therefore easily accessible to travelers from almost any part of Brazil.