as long as

US /æz lɔŋ æz/
UK /æz lɔŋ æz/
"as long as" picture
1.

siempre y cuando, con tal de que

provided that; on condition that

:
You can go out as long as you finish your homework.
Puedes salir siempre y cuando termines tu tarea.
I don't care what you do, as long as you're happy.
No me importa lo que hagas, siempre y cuando seas feliz.
2.

tan largo como, mientras

used to refer to the full extent of a period of time or a distance

:
The journey took as long as three hours.
El viaje duró hasta tres horas.
He can run as long as he wants.
Puede correr todo el tiempo que quiera.