Roughly 16 inches.
Input shaft is about 1.5 inches from face and top bolt is 7.5 inches from the face (mounting surface). Not too sure where you mean but there is 2 bolt holes on the top of the trans I think your referring to. This is over the differential, roughly 2.5 inches toward it.
3 inches down and an inch forward? Drivers side. Differential case is about 7.5 inches wide.
I'll get pictures.