TTFB difference with different location for the same page

Hello there,

Here are two page test which have only location difference.

  1. https://www.webpagetest.org/result/180313_9J_185d685232af77e1dbfd25ce5316fc0c/

  2. https://www.webpagetest.org/result/180313_J7_a6a0acba162e3307d7517c90c3a207c7/1/details/#waterfall_view_step1

Somebody can explain why i am facing the huge ttfb difference just because of swapping the test location. Please suggest the things need to be coved to solve this.

Thanks and regards