Ophni: Probably the same as Gophna (ς: being often pronounced as G); which, according to Josephus, was about fifteen miles from Jerusalem, towards Shechem, says Eusebius (Onom. in φαραγξ βοτρους.:)
Gaba: Gaba or Geba, according to Josephus, was not far from Rama, forty stadia from Jerusalem, and, according to Eusebius, five miles from Gophna, towards Shechem. Joshua 21:17; Ezra 2:26; Nehemiah 7:30