Are there nonstop flights from Kimbe (HKN) to Kokopo (RAB)?

Yes. Air Niugini, PNG Air fly this route. Flight time is about 48m.

Kimbe → Kokopo

Hoskins Airport (HKN) to Tokua Airport (RAB)・252 km

Nonstop flights available (2 airlines). Flight time about 48m. Nonstop return flights also operate.

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