Oto is an unincorporated community in Stone County, in the U.S. state of Missouri.
[1] The community is located on Crane Creek, approximately four miles north of Galena.
[2] Missouri Route AA passes through the community along Oto Ridge to the north of the Crane Creek crossing.
[3] A post office called Oto was established in 1877, and remained in operation until 1913.
This Stone County, Missouri state location article is a stub.