Are there nonstop flights from Split (SPU) to Olbia (OLB)?

No. The fastest connection is via Rome, about 1h 45m of total flying time.

What is the fastest connection from Split (SPU) to Olbia (OLB)?

via Rome ≈ 1h 45m, via Naples ≈ 1h 52m, via Bari ≈ 2h 2m (estimated flying time, excluding layovers).

from 15,000 ANA miles (economy, one way, based on the published award charts).

Split Saint Jerome Airport (SPU) to Olbia Costa Smeralda Airport (OLB)・630 km

No nonstop flights. The fastest connection is via Rome (FCO), about 1h 45m of flying time (layover not included).

With milesANA 15,000 miles+ (via VIE)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

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.