Are there nonstop flights from Chicago (ORD) to Kefallinia Island (EFL)?

No. The fastest connection is via Milan, about 11h 2m of total flying time.

What is the fastest connection from Chicago (ORD) to Kefallinia Island (EFL)?

via Milan ≈ 11h 2m, via Zurich ≈ 11h 3m, via Naples ≈ 11h 3m (estimated flying time, excluding layovers).

from 27,500 ANA miles, from 37,000 JAL miles (economy, one way, based on the published award charts).

Chicago O'Hare International Airport (ORD) to Kefalonia International Airport "Anna Pollatou" (EFL)・8,541 km

No nonstop flights. The fastest connection is via Milan (MXP), about 11h 2m of flying time (layover not included).

With milesANA 27,500 miles+ (via VIE)JAL 37,000 miles+ (via LHR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.