Are there nonstop flights from Bergen (BGO) to Kefallinia Island (EFL)?

No. The fastest connection is via Prague, about 4h 10m of total flying time.

What is the fastest connection from Bergen (BGO) to Kefallinia Island (EFL)?

via Prague ≈ 4h 10m, via Vienna ≈ 4h 11m, via Munich ≈ 4h 12m (estimated flying time, excluding layovers).

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

Bergen Airport, Flesland (BGO) to Kefalonia International Airport "Anna Pollatou" (EFL)・2,689 km

No nonstop flights. The fastest connection is via Prague (PRG), about 4h 10m 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.

16 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.