Are there nonstop flights from Barcelona (BCN) to Karpathos Island (AOK)?

No. The fastest connection is via Naples, about 3h 42m of total flying time.

What is the fastest connection from Barcelona (BCN) to Karpathos Island (AOK)?

via Naples ≈ 3h 42m, via Athens ≈ 3h 42m, via Rome ≈ 3h 44m (estimated flying time, excluding layovers).

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

Josep Tarradellas Barcelona-El Prat Airport (BCN) to Karpathos Airport (AOK)・2,272 km

No nonstop flights. The fastest connection is via Naples (NAP), about 3h 42m of flying time (layover not included).

With milesANA 15,000 miles+ (via VIE)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.