Are there nonstop flights from Nanning (NNG) to Colombo (CMB)?

No. The fastest connection is via Bangkok, about 5h 18m of total flying time.

What is the fastest connection from Nanning (NNG) to Colombo (CMB)?

via Bangkok ≈ 5h 18m, via Kunming ≈ 5h 25m, via Guangzhou ≈ 6h 19m (estimated flying time, excluding layovers).

from 18,000 ANA miles, from 23,000 JAL miles (economy, one way, based on the published award charts).

Nanning Wuxu International Airport (NNG) to Bandaranaike International Colombo Airport (CMB)・3,479 km

No nonstop flights. The fastest connection is via Bangkok (BKK), about 5h 18m of flying time (layover not included).

With milesANA 18,000 miles+ (via TFU)JAL 23,000 miles+ (via KMG)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

11 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.