From Chiswick Park Underground Station Tube to Ealing Broadway then train to Maidenhead. 53 min £11. From Turnham Green Church line 237 bus to Hounslow Bus Station, line 81 bus to Slough Bus Station, then bus to Maidenhead Town Centre, Sainsbury's (Cookham Road). 2 h 4 min £10. From Chiswick taxi to Maidenhead. 26 min £100. From Chiswick drive to Maidenhead. 26 min £4.