까지 와서

having come all the way to

→ 까지
phrase Common #2,319
having come all the way to 까지 marks a limit or endpoint, and 와서 means “having come.” The wording changes with the form of 오다, such as 왔어요 or 왔잖아.
KO: 여기까지 와서 그냥 돌아갈 순 없어.
EN: I can’t just turn back after coming all the way here.