Are there nonstop flights from Jakarta (CGK) to Wuxi (WUX)?

No. The fastest connection is via Xiamen, about 6h 13m of total flying time.

What is the fastest connection from Jakarta (CGK) to Wuxi (WUX)?

via Xiamen ≈ 6h 13m, via Fuzhou ≈ 6h 14m, via Hong Kong ≈ 6h 15m (estimated flying time, excluding layovers).

from 18,000 ANA miles (economy, one way, based on the published award charts).

Soekarno-Hatta International Airport (CGK) to Sunan Shuofang International Airport (WUX)・4,432 km

No nonstop flights. The fastest connection is via Xiamen (XMN), about 6h 13m of flying time (layover not included).

With milesANA 18,000 miles+ (via SZX)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

15 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.