Are there nonstop flights from Taipei (TPE) to Denver (DEN)?

No. The fastest connection is via Vancouver, about 14h 23m of total flying time.

What is the fastest connection from Taipei (TPE) to Denver (DEN)?

via Vancouver ≈ 14h 23m, via Seattle ≈ 14h 25m, via Tokyo ≈ 14h 30m (estimated flying time, excluding layovers).

from 30,000 ANA miles (economy, one way, based on the published award charts).

Taiwan Taoyuan International Airport (TPE) to Denver International Airport (DEN)・11,369 km

No nonstop flights. The fastest connection is via Vancouver (YVR), about 14h 23m of flying time (layover not included).

With milesANA 30,000 miles+ (via YVR)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

18 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.