Which preposition to use with indistinguishable

from Occurrences 33%

I heard them come into the room, the man speaking in a tone so low that the words were indistinguishable from where I stood; and then the sound of the door being shut struck my ear unpleasantly.

in Occurrences 7%

He wore no covering on his head, a thick crop of curly hair (of a color indistinguishable in the dim light) presumably affording such protection as he needed.

at Occurrences 6%

The captain's high-pitched tones carried clearly; but the grumble and growl of the mate were indistinguishable at that distance.

to Occurrences 4%

The hue of his plentiful and curly hair, indistinguishable to Mary and Cynthia, now stood revealed as neither black, nor red, nor auburn, nor brown, nor golden, but just, and rather surprisingly, a plain yellow, the color of a cowslip or thereabouts.

by Occurrences 2%

However, it does not enter into my present plan to treat of the potato disease, instructively as its history bears upon that of other epidemics; and I have selected the case of the Peroganspora simply because it affords an example of an organism, which, in one stage of its existence, is truly a "Monad," indistinguishable by any important character from our Heteromita, and extraordinarily like it in some respects.

under Occurrences 1%

The air is obscured by murky doubt, and unaccustomed shapes stand along the path, indistinguishable under the light malign.

for Occurrences 1%

Their eyes sparkled with celestial joy; and the more they thought of their joy, the brighter they grew; till one of them who addressed the poet became indistinguishable for excess of splendour.

on Occurrences 1%

Her gaze rested on him, almost indistinguishable on the other side of the salon.

against Occurrences 1%

He was standing with his back to a dark screen, and his pale face and light hair were indistinguishable against a background of flowers worked in gold thread.

Which preposition to use with  indistinguishable