Got it. Technically that is just over a US size 9. For the purpose of finding the correct width, only the 27.31 measurement matters (not the associated boot size). The Arcade 158 Wide is 271. cm at the center inserts (waist measurements are not valuable for this purpose). That will leave you essentially no adjustment other than zero degrees for stance angles. If for instance you ride a very common 15/15 or similar you will be well within the confines of the decks edges and I would stronly discourage that.
so avoid the wide board, while a cm here or there is no big deal in length, you should only get a wide board if you need it.