What's the difference between "come here" and "come over here"?
I thought both of them can be used in oral English,right? Maybe when you say "come over here" , others have to cover a longer distance to get close. Am I right? Besides, what other differences do they have? Thank you so much!

Question

Answer

come here
go over there

(You shouldn't really say "come over there".  People will understand you, but semantically it sounds a little strange. :P)

Answer

"come here"  =  "come over here"

they are same in meaning

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There is no difference  between the two. They  mean the same thing.