From O'Brien St Near Lamrock Av line 379 bus to Bondi Junction Station then train to Kings Cross Station. 19 min $6. From Glenayr Av Near Curlewis St line 389 bus to St Vincent's Hospital, Burton St. 30 min $3. From Bondi Beach taxi to Kings Cross. 7 min $29. From Bondi Beach Uber to Kings Cross. 7 min $29. From Bondi Beach walk to Kings Cross. 1 h 12 min.