Distance From Henry Post Army Air Field (Fort Sill) to Naples International Airport, FSI - NAP Distance

The distance from Henry Post Army Air Field (Fort Sill) (FSI) to Naples International Airport (NAP) is 5694 miles or 9163 kilometers or 4944 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Fort Sill ( United States ) to Napoli ( Italy )?

A one-way nonstop (direct) flight between Fort Sill and Napoli takes around 13 hours 5 minutes.

Estimated flight time from Henry Post Army Air Field (Fort Sill), Fort Sill, United States to Naples International Airport, Napoli, Italy is 13 hours 5 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • FSI - NAP

Kilometers		9163 km
Statute Miles		5694 miles
Nautical Miles		4944 nm
Avg. Time of Flight		13 hours 5 minutes

Henry Post Army Air Field (Fort Sill) to Naples International Airport Flight Route Map - FSI to NAP Flight Path

Location of Henry Post Army Air Field (Fort Sill) & Naples International Airport is given below.
Click the map to view Fort Sill to Napoli nonstop flight path and travel direction.

Click to see flight route on Google Map between Fort Sill, United States and Napoli, Italy. .

Nonstop flight route between Fort Sill, United States and Napoli, Italy.

Time Difference Between the Airports • FSI - NAP

Time difference between Fort Sill (United States) and Napoli (Italy) is 8 Hours.
Napoli time is 8 Hours ahead of Fort Sill.

Location	Local Time
Fort Sill (United States)	2026-05-04, 11:49:14 MDT
Napoli (Italy)	2026-05-04, 19:49:14 CEST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Henry Post Army Air Field (Fort Sill) (FSI / KFSI) Fort Sill, United States

Destination

Naples International Airport (NAP / LIRN) Napoli, Italy