Are there nonstop flights from Dubrovnik (DBV) to Hannover (HAJ)?

No. The fastest connection is via Munich, about 2h 32m of total flying time.

What is the fastest connection from Dubrovnik (DBV) to Hannover (HAJ)?

via Munich ≈ 2h 32m, via Vienna ≈ 2h 33m, via Frankfurt am Main ≈ 2h 39m (estimated flying time, excluding layovers).

from 15,000 ANA miles, from 15,000 JAL miles (economy, one way, based on the published award charts).

Dubrovnik Ruđer Bošković Airport (DBV) to Hannover Airport (HAJ)・1,273 km

No nonstop flights. The fastest connection is via Munich (MUC), about 2h 32m of flying time (layover not included).

With milesANA 15,000 miles+ (via MUC)JAL 15,000 miles+ (via CDG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

15 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.