Are there nonstop flights from Ottawa (YOW) to Taipei (TPE)?

No. The fastest connection is via Toronto, about 15h 39m of total flying time.

What is the fastest connection from Ottawa (YOW) to Taipei (TPE)?

via Toronto ≈ 15h 39m, via Chicago ≈ 16h 20m, via Vancouver ≈ 16h 28m (estimated flying time, excluding layovers).

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

Ottawa Macdonald-Cartier International Airport (YOW) to Taiwan Taoyuan International Airport (TPE)・12,002 km

No nonstop flights. The fastest connection is via Toronto (YYZ), about 15h 39m of flying time (layover not included).

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

None.

6 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.