"Grimes, Oklahoma"@en . . . . "-5" . . . "-6" . "Grimes is an unincorporated community in Roger Mills County, Oklahoma, United States. Grimes is located in the southern part of the county, 11.4 miles (18.3 km) south-southwest of Cheyenne. The Grimes post office opened on March 1, 1901, and closed on November 26, 1971. The community was named for acting Oklahoma territorial governor William C. Grimes."@en . "580" . "688.848"^^ .