How long is the flight time from Knoxville, Tennessee to Naples?

Assuming you meant

• Naples (, Neapolitan: Napule), the city in Southern Italy, situated on the country's west coast by the Gulf of Naples

Did you mean?

• Naples, the city in Collier County, Florida, United States, Naples, the village in Ontario County, New York, USA, Naples, the city in Morris County, Texas, United States
• Naples, the neighborhood of Long Beach, California, United States, built on a series of islands located in Alamitos Bay
• Naples, the city in Uintah County, Utah, United States