Nope. AA's reward program works based on award charts not dollar or necessary distance. For example a domestic US flight within the 48 contiguous states mileage cost is the same for jfk-ord as jfk-lax but there are different award availability levels.

http://www.aa.com/i18n/AAdvantage/re...ward-chart.jsp

http://www.aa.com/i18n/AAdvantage/re...tner-chart.jsp

http://www.aa.com/i18n/AAdvantage/re...l.jsp#upgrades