Are there nonstop flights from Tongliao (TGO) to Chengdu (CTU)?

No. The fastest connection is via Beijing, about 3h 33m of total flying time.

What is the fastest connection from Tongliao (TGO) to Chengdu (CTU)?

via Beijing ≈ 3h 33m, via Xi'an ≈ 3h 33m, via Beijing ≈ 3h 33m (estimated flying time, excluding layovers).

from 10,000 ANA miles (economy, one way, based on the published award charts).

Tongliao Airport (TGO) to Chengdu Shuangliu International Airport (CTU)・2,162 km

No nonstop flights. The fastest connection is via Beijing (PEK), about 3h 33m of flying time (layover not included).

With milesANA 10,000 miles+ (via PEK)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

10 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.