Romney campaigned Wednesday in the Washington suburbs of Northern Virginia, a region of a key swing state that will be critical for Romney. Obama won Virginia in 2008 after back-to-back Republican victories byGeorge W. Bushin 2000 and 2004.
Speaking at a warehouse in Chantilly, Va., Romney told women business owners he's running to "help your enterprises."
Romney said his vision for America that includes "putting aside ethnicity, race, gender." His wife, Ann, who introduced him, emphasized female voters, saying "women do make the world go round."
Romney also planned private meetings Wednesday at the Republican National Committee and a fundraiser in Arlington, Va.
Romney will hold a campaign event Wednesday in Chantilly, where he will be joined by Rep. Frank Wolf, R-Va.
Later, he will be joined by McDonnell at a fundraiser and private dinner for donors of $50,000 or more at the Pentagon City Ritz.
McDonnell has been mentioned as a possible vice presidential candidate.
Romney's visit comes a few days after President Barack Obama and former president Bill Clinton held a large-scale fundraiser in McLean at the home of Democrat Terry McAuliffe.