“With these two contests, I have gained at least 18 additional delegates on my quest for the Republican Party presidential nomination, Romney said. “It’s time for Republicans to join together and focus on our central challenge, which is defeating Barack ObamaBarack Hussein ObamaThe true commander in tweet Meghan Markle's pre-royal 'finishing lessons' and an etiquette of equality Hannity on Acosta claim he was tough on Obama: 'Only thing missing were the pom-poms' MORE at the polls this coming November.

Romney’s delegate count now stands at 498, according to a projection from CNN. Rick Santorum trails with 239 delegates, with Newt Gingrich in third at 139 and Ron Paul with 69.

With all the votes counted, Romney won Hawaii with 45 percent of the vote. Santorum won 25 percent, Paul won 18 percent and Gingrich won 11 percent. American Samoa’s delegates were assigned via caucus, where 70 Republicans agreed to commit all nine delegates to the GOP front-runner.