AA: DCA-ORD-NRT-SIN -- $569 for 20,100EQM(2.8cpm)
Not as good as UA's from EWR, but decent.
Available several Tues/Wed dates Jan, Feb, Mar, Apr on all AA codeshare for full miles with some dates kicking the return SIN-NRT on JL (N fare, 6% EQD, 0.5EQM, 30% base for award).
Hope it helps someone.