Longiano is a comune located in the Province of Forlì-Cesena within the Emilia-Romagna region of Italy. It is situated approximately 90 kilometres southeast of Bologna and about 30 kilometres southeast of Forlì.
The municipality shares borders with several neighboring areas, including Borghi, Cesena, Gambettola, Gatteo, Montiano, Roncofreddo, Santarcangelo di Romagna, and Savignano sul Rubicone.