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