Are there nonstop flights from Louisville (SDF) to Tokyo (HND)?

No. The fastest connection is via Minneapolis, about 13h 27m of total flying time.

What is the fastest connection from Louisville (SDF) to Tokyo (HND)?

via Minneapolis ≈ 13h 27m, via Chicago ≈ 13h 28m, via Detroit ≈ 13h 43m (estimated flying time, excluding layovers).

from 40,000 JAL miles (economy, one way, based on the published award charts).

Louisville Muhammad Ali International Airport (SDF) to Tokyo Haneda International Airport (HND)・10,574 km

No nonstop flights. The fastest connection is via Minneapolis (MSP), about 13h 27m of flying time (layover not included).

With milesJAL 40,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.