What is the meaning of the "end up"?

[Geroscha]

English Grammar Tests, Elementary Level

ESL/EFL Test #70 "Chit Chat: In the train", question 7

Mrs Ashton: It was terrible because I ended ......... miles away from where I wanted to go.

(a) over
(b) up
(c) through
(d) in

English Grammar Tests, Elementary Level

ESL/EFL Test #70 "Chit Chat: In the train", answer 7

Mrs Ashton: It was terrible because I ended up miles away from where I wanted to go.

Correct answer: (b) up

Your answer was: incorrect
Mrs Ashton: It was terrible because I ended over miles away from where I wanted to go.
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what is the meaning of the "end up"?

[Alan]

Hi English Learner,

End up means reach somewhere in the end usually after a long time and also at a place you didn't want to go to.

Alan
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English as a Second Language
You can read my ESL story Communicating with you?

[abhishek]

Hi
please put some more light on usage of up instead of over ..