I have tile walls and I just went and measured it again for accuracy and you were right, it is 11 3/32" from the wall to the center of the bolt. When I measured the first time I did not pop the white cover off of the bolt. Sorry.
Also, I am not exactly sure which Kohler I want, I need to get at least 1 toilet before Monday for my spare bathroom and am hoping to get one for my main bathroom as well. The one for my main, I am leaning towards the Transpose, but that is where I am running into my problem about the rough in distance. My spare bath has the regular rough in. It is just my main bath with an irregular one.