Are there nonstop flights from Porto (OPO) to Tokyo (NRT)?

No. The fastest connection is via Amsterdam, about 13h 51m of total flying time.

What is the fastest connection from Porto (OPO) to Tokyo (NRT)?

via Amsterdam ≈ 13h 51m, via Brussels ≈ 13h 52m, via Frankfurt am Main ≈ 13h 58m (estimated flying time, excluding layovers).

from 31,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Francisco de Sá Carneiro Airport (OPO) to Narita International Airport (NRT)・10,889 km

No nonstop flights. The fastest connection is via Amsterdam (AMS), about 13h 51m of flying time (layover not included).

With milesANA 31,000 miles+ (via BRU)JAL 45,000 miles+ (via MAD)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

14 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.