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

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

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

via Stockholm ≈ 13h 51m, via Copenhagen ≈ 13h 52m, via Paris ≈ 13h 52m (estimated flying time, excluding layovers).

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

Tokyo Haneda International Airport (HND) to Francisco de Sá Carneiro Airport (OPO)・10,890 km

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

With milesANA 31,000 miles+ (via FRA)JAL 45,000 miles+ (via CDG)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.