Are there nonstop flights from Jakarta (CGK) to Johannesburg (JNB)?

No. The fastest connection is via Singapore, about 12h 13m of total flying time.

What is the fastest connection from Jakarta (CGK) to Johannesburg (JNB)?

via Singapore ≈ 12h 13m, via Perth ≈ 14h 21m, via Addis Ababa ≈ 14h 51m (estimated flying time, excluding layovers).

from 36,000 ANA miles, from 47,000 JAL miles (economy, one way, based on the published award charts).

Soekarno-Hatta International Airport (CGK) to O.R. Tambo International Airport (JNB)・8,553 km

No nonstop flights. The fastest connection is via Singapore (SIN), about 12h 13m of flying time (layover not included).

With milesANA 36,000 miles+ (via SIN)JAL 47,000 miles+ (via DXB)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

12 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.