Cities of United States starting with letter O Page 22
- Oak Grove (Gadsden County)
- Oak Grove (Geneva County)
- Oak Grove (Georgetown County)
- Oak Grove (Giles County)
- Oak Grove (Grant County, New Mexico)
- Oak Grove (Grant Parish)
- Oak Grove (Guilford County)
- Oak Grove (Gulf County)
- Oak Grove (Hale County, Alabama)
- Oak Grove (Hamilton County, Tennessee)
- Oak Grove (Hardee County)
- Oak Grove (Hardin County, Tennessee)
- Oak Grove (Henderson County, Tennessee)
- Oak Grove (Henry County, Tennessee)
- Oak Grove (Hillsborough County)
- Oak Grove (Holmes County, Mississippi)
- Oak Grove (Hood River County)
- Oak Grove (Hopkins County, Texas)
- Oak Grove (Hot Spring County)
- Oak Grove (Hunterdon County)
- Oak Grove (Jackson County, Kentucky)
- Oak Grove (Jefferson County, Alabama)
- Oak Grove (Jefferson County, Tennessee)
- Oak Grove (Johnson County, Arkansas)
- Oak Grove (Jones County)
- Oak Grove (Jones County, North Carolina)
- Oak Grove (Kemper County)
- Oak Grove (Kent County, Delaware)
- Oak Grove (Knox County)
- Oak Grove (Lake County)
- Oak Grove (Lamar County)
- Oak Grove (Lauderdale County, Tennessee)
- Oak Grove (Lawrence County, Alabama)
- Oak Grove (Lewis County, Tennessee)
- Oak Grove (Limestone County)
- Oak Grove (Lincoln Parish)
- Oak Grove (Little River County)
- Oak Grove (Little River County)
- Oak Grove (Livingston County)
- Oak Grove (Lonoke County)
- Oak Grove (Loudon County)
- Oak Grove (Macon County, North Carolina)
- Oak Grove (Madison County)
- Oak Grove (Madison County, Missouri)
- Oak Grove (Madison County, Tennessee)
- Oak Grove (Marion County, Tennessee)
- Oak Grove (Marion County, Tennessee)
- Oak Grove (Marshall County)
- Oak Grove (McCracken County)
- Oak Grove (Mercer County, West Virginia)