Are there nonstop flights from Mount Hagen (HGU) to Goronka (GKA)?

Yes. PNG Air fly this route. Flight time is about 39m.

Mount Hagen → Goronka

Mount Hagen Kagamuga Airport (HGU) to Goroka Airport (GKA)・124 km

Nonstop flights available (1 airline). Flight time about 39m. Nonstop return flights also operate.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.