Use this website to figure out how many miles in the air you'll be doing:
http://www.daftlogic.com/projects-go...calculator.htm

Then check that amount with this chart to see how many AA miles you'd need:
http://www.aa.com/i18n/disclaimers/oneworld_awards.jsp

I did a quick calculation and I think you could do that trip for under 25,000 in business class, which would be 150,000 miles.