From Cheshunt train to Liverpool Street Station then line 135 bus to Island Gardens. 1 h 13 min £7. From Waltham Cross, Bus Station night bus to Tottenham Court Road, New Oxford Street then bus to Cutty Sark for Maritime Greenwich. 1 h 57 min £3. From Cheshunt taxi to Greenwich. 33 min £84. From Cheshunt drive to Greenwich. 33 min £3.