Are there nonstop flights from Masuda (IWJ) to Detroit (DTW)?

No. The fastest connection is via Tokyo, about 14h of total flying time.

What is the fastest connection from Masuda (IWJ) to Detroit (DTW)?

via Tokyo ≈ 14h (estimated flying time, excluding layovers).

Iwami Airport (IWJ) to Detroit Metropolitan Wayne County Airport (DTW)・10,747 km

No nonstop flights. The fastest connection is via Tokyo (HND), about 14h of flying time (layover not included).

None.

1 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.