Are there nonstop flights from Dublin (DUB) to Columbus (CMH)?

No. The fastest connection is via Montréal, about 7h 45m of total flying time.

What is the fastest connection from Dublin (DUB) to Columbus (CMH)?

via Montréal ≈ 7h 45m, via Toronto ≈ 7h 46m, via Hartford ≈ 7h 51m (estimated flying time, excluding layovers).

from 23,000 JAL miles, from 27,500 ANA miles (economy, one way, based on the published award charts).

Dublin Airport (DUB) to John Glenn Columbus International Airport (CMH)・5,733 km

No nonstop flights. The fastest connection is via Montréal (YUL), about 7h 45m of flying time (layover not included).

With milesJAL 23,000 miles+ (via PHL)ANA 27,500 miles+ (via YYZ)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

23 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.