About 40 minutes by taxi from Suvarnnapumi Airport in Bangkok.
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There is cvs called FamillyMart at the first floor of the building tower E, and 7-11 is just 3 minutes by walk.
There are also some stores like MaxValue which is Japanese supermarket, McDonalds and KFC, etc. near the place, so you won't be starved if you stay here for 1-2 weeks or even for months.