Are there nonstop flights from Oakland (OAK) to Washington (DCA)?

No. The fastest connection is via Denver, about 5h 35m of total flying time.

What is the fastest connection from Oakland (OAK) to Washington (DCA)?

via Denver ≈ 5h 35m, via Salt Lake City ≈ 5h 37m, via Chicago ≈ 5h 37m (estimated flying time, excluding layovers).

from 23,000 JAL miles (economy, one way, based on the published award charts).

Oakland San Francisco Bay Airport (OAK) to Ronald Reagan Washington National Airport (DCA)・3,905 km

No nonstop flights. The fastest connection is via Denver (DEN), about 5h 35m of flying time (layover not included).

With milesJAL 23,000 miles+ (via SAN)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.