YOU SAID:
I had to drive a friend to the college campus.
INTO JAPANESE
私は大学のキャンパスに友達を運転しなければなりませんでした。
BACK INTO ENGLISH
I had to drive a friend on the university campus.
INTO JAPANESE
私は大学のキャンパスで友達を運転しなければなりませんでした。
BACK INTO ENGLISH
I had to drive a friend on the university campus.
That didn't even make that much sense in English.