Both destinations are served by HSS Airport (HSS). Since there's no flight route between them, the best way to travel is by road.
Churu
Fly to HSS Airport (HSS), then travel by road to Churu. Taxis, buses, and private cabs are available from the airport.
Jhunjhunu
Fly to HSS Airport (HSS), then travel by road to Jhunjhunu. Local transport options include taxis, auto-rickshaws, and state buses.