Are there nonstop flights from Changsha (CSX) to Addis Ababa (ADD)?

Yes. China Southern Airlines fly this route. Flight time is about 9h 56m.

What is the fastest connection from Changsha (CSX) to Addis Ababa (ADD)?

via Chengdu ≈ 10h 28m, via Hanoi ≈ 10h 49m, via Guangzhou ≈ 11h 5m (estimated flying time, excluding layovers).

from 48,000 ANA miles (economy, one way, based on the published award charts).

Changsha Huanghua International Airport (CSX) to Addis Ababa Bole International Airport (ADD)・8,016 km

Nonstop flights available (1 airline). Flight time about 9h 56m. Nonstop return flights also operate.

With milesANA 48,000 miles+ (via BKK)Economy, one way, estimate. Tap a connection for miles by cabin.

13 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.