From Lleida
Take the national road N230 to Vielha (165 Km). 

From Madrid
Take the motorway A2 to Zaragoza, the A22 to Huesca until you reach Barbastro and then take the national road N230 to Graus until you get to Vielha. 

From Toulouse (Francia)
Take the motorway A64 until you pass Saint Gaudens. At the exit 17, take the D825 to Lleida –Spain. Once in Spain, it becomes the national road N125 to Vielha (162 Km).