Some cities of Argentina, Brazil and Uruguay offer bus services to Paraguay. This is the case of Argentinean cities such as Buenos Aires, Cordoba, Rosario and Santa Fe or Sao Paulo and Rio de Janeiro in Brazil and Montevideo in Uruguay.
How to travel from Argentina
It is possible to access Asunción from Argentina via Encarnación through Posadas or via Formosa through Puerto Falcon. In both cases the road is properly paved.
How to travel from Brazil
Another possibility is to travel directly from Brazil through the Puente Internacional de la Amistad (Friendship Bridge) located in Foz do Iguaçu.
Taking this option will mean going on a comfortable journey as well since the road is in very good conditions and paved.
How to travel from Bolivia
Should you travel from Bolivia, it is possible to access Asunción traveling from Santa Cruz until reaching General Eugenio A. Garay.
Nevertheless, travelers must be aware that this access route has not been paved yet.