YOU SAID:
I want to go see my girlfriend across the country
INTO JAPANESE
全国の彼女に会いに行きたい
BACK INTO ENGLISH
I want to go see my girlfriend all over the country.
INTO JAPANESE
全国にいる彼女に会いに行きたいです。
BACK INTO ENGLISH
I want to go see my girlfriend all over the country.
You should move to Japan!