8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 OR 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): April 1, 2010

O'Reilly Automotive, Inc.
(Exact name of registrant as specified in its charter)

Missouri	000-21318	44-0618012
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

233 South Patterson, Springfield, Missouri 65802
(Address of principal executive offices, Zip Code)

(417) 862-6708
(Registrant's telephone number, including area code)

(Not Applicable)
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
	[   ]	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
	[   ]	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
	[   ]	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
	[   ]	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Section 7 - Regulation FD

Item 7.01. Regulation FD Disclosure.

On April 1, 2010, O'Reilly Automotive, Inc. issued a press release announcing the date of its 2010 first quarter earnings release and conference call. The text of the press release is attached hereto as Exhibit 99.1.

Section 9 - Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits.

Exhibit Number	Description
99.1	Press Release dated April 1, 2010

The information in this Current Report on Form 8-K, including the exhibit hereto, shall not be deemed "filed" for the purposes of Section 18 of the Securities and Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended.

SIGNATURES

    Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: April 1, 2010	O'Reilly Automotive, Inc.
	By:	/s/   THOMAS MCFALL Thomas McFall Chief Financial Officer (principal financial and accounting officer)

EXHIBIT INDEX

Exhibit Number	Description
99.1	Press Release dated April 1, 2010

EX-99.1

EXHIBIT 99.1

O'Reilly Automotive, Inc., Announces Dates for the 2010 First Quarter Earnings Release and Conference Call

- Earnings Release Date – Wednesday, April 28, 2010, after 5:30 pm Central Time

- Conference Call Date – Thursday, April 29, 2010, at 10:00 am Central Time

SPRINGFIELD, Mo., April 1, 2010 (GLOBE NEWSWIRE) -- O'Reilly Automotive, Inc. (the "Company") (Nasdaq:ORLY) announces the release date for its first quarter 2010 earnings as Wednesday, April 28, 2010, with a conference call to follow on Thursday, April 29, 2010.

The Company's first quarter 2010 earnings will be released after 5:30 p.m. central time on Wednesday, April 28, 2010, and can be viewed, at that time, on the Company's website at www.oreillyauto.com by clicking on "Investor Relations" and then "News Room".

Investors are invited to listen to the Company's conference call discussing the financial results for the first quarter of 2010, on Thursday, April 29, 2010, at 10:00 a.m. central time, via webcast on the Company's website at www.oreillyauto.com by clicking on "Investor Relations" and then "News Room". A replay of the call will also be available on the Company's website following the conference call. Interested analysts are invited to join the call. The dial-in number for the call is (706) 679-5789 and the conference call ID number is 64795185. 

O'Reilly Automotive, Inc. is one of the largest specialty retailers of automotive aftermarket parts, tools, supplies, equipment and accessories in the United States, serving both the do-it-yourself and professional installer markets. Founded in 1957 by the O'Reilly family, the Company operated 3,421 stores in 38 states as of December 31, 2009.

The O'Reilly Automotive, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=5430

CONTACT:  O'Reilly Automotive, Inc.
          Investor & Media Contact
          Mark Merz
          (417) 829-5878