http://www.tripadvisor.com/ShowTopic-g186338-i17-k6989182-QPR_pub_question-London_England.html
https://www.google.com/maps/d/u/0/viewer?mid=z2_v3IETyxO0.k95DDD4xH-PA&hl=en_US
I heard you could shave a few minutes by taking Goldhawk Rd to Shepherd's Bush. Wool get you there faster.