Meaning of the word "be off to" in English

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

be off to

US /bi ɑf tu/
UK /bi ɒf tuː/

Idiom

to leave for a place

Example:
I'm off to the store to get some groceries.
She said goodbye and was off to her new adventure.