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"Besides" is a preposition which is often translated as "además de", and "as far as" is a phrase which is often translated as "tan lejos como". Learn more about the difference between "besides" and "as far as" below.
besides()
A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
1. (apart from)
a. además de
Besides the toiletries, I have to buy a new bathing suit for the trip.Además de los artículos de tocador, tengo que comprar un nuevo traje de baño para el viaje.
as far as()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (distance)
a. tan lejos como
You're in Boston? That's not as far as I thought.¿Estás en Boston? No está tan lejos como pensé.
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
a. en cuanto a
As far as height goes, this is one of the biggest mountains in Utah.En cuanto a la altura, ésta es una de las montañas más grandes de Utah.