Are there nonstop flights from Cologne (CGN) to Bangkok (BKK)?

No. The fastest connection is via Vienna, about 11h 50m of total flying time.

What is the fastest connection from Cologne (CGN) to Bangkok (BKK)?

via Vienna ≈ 11h 50m, via Munich ≈ 11h 52m, via Zurich ≈ 12h 7m (estimated flying time, excluding layovers).

from 29,500 ANA miles (economy, one way, based on the published award charts).

Cologne Bonn Airport (CGN) to Suvarnabhumi Airport (BKK)・9,081 km

No nonstop flights. The fastest connection is via Vienna (VIE), about 11h 50m of flying time (layover not included).

With milesANA 29,500 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.