Are there nonstop flights from Rhodes (RHO) to Bremen (BRE)?

Yes. Sundair fly this route. Flight time is about 3h 18m.

What is the fastest connection from Rhodes (RHO) to Bremen (BRE)?

via Vienna ≈ 3h 48m, via Munich ≈ 3h 53m, via Frankfurt am Main ≈ 3h 58m (estimated flying time, excluding layovers).

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

Rhodes International Airport "Diagoras" (RHO) to Bremen Airport (BRE)・2,382 km

Nonstop flights available (1 airline). Flight time about 3h 18m. Nonstop return flights also operate.

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

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.