Are there nonstop flights from Tokyo (NRT) to Yangon (RGN)?

No. The fastest connection is via Changsha, about 6h 42m of total flying time.

What is the fastest connection from Tokyo (NRT) to Yangon (RGN)?

via Changsha ≈ 6h 42m, via Hanoi ≈ 6h 42m, via Guangzhou ≈ 6h 44m (estimated flying time, excluding layovers).

from 19,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Narita International Airport (NRT) to Yangon International Airport (RGN)・4,831 km

No nonstop flights. The fastest connection is via Changsha (CSX), about 6h 42m of flying time (layover not included).

With milesANA 19,000 miles+ (via BKK)JAL 23,000 miles+ (via KMG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 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.