Meaning of the word "How long" in English

What does "How long" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

How long

US /haʊ lɔŋ/
UK /haʊ lɒŋ/

Phrase

used to ask about the duration of something

Example:
How long does it take to get there?
How long have you been waiting?