Distance From Putnam County Airport to Incheon International Airport

The distance from Putnam County Airport () to Incheon International Airport (ICN) is 6707 miles or 10794 kilometers or 5825 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 Greencastle ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Greencastle and Seoul takes around 15 hours 25 minutes.

Estimated flight time from Putnam County Airport, Greencastle, United States to Incheon International Airport, Seoul, South Korea is 15 hours 25 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 • - ICN

Kilometers		10794 km
Statute Miles		6707 miles
Nautical Miles		5825 nm
Avg. Time of Flight		15 hours 25 minutes

Putnam County Airport to Incheon International Airport Flight Route Map - to ICN Flight Path

Location of Putnam County Airport & Incheon International Airport is given below.
Click the map to view Greencastle to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Greencastle, United States and Seoul, South Korea. .

Nonstop flight route between Greencastle, United States and Seoul, South Korea.

Time Difference Between the Airports • - ICN

Time difference between Greencastle (United States) and Seoul (South Korea) is 14 Hours.
Seoul time is 14 Hours ahead of Greencastle.

Location	Local Time
Greencastle (United States)	2025-12-17, 00:25:10 EST
Seoul (South Korea)	2025-12-17, 14:25:10 KST

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

Putnam County Airport ( / KGPC) Greencastle, United States

Destination

Incheon International Airport (ICN / RKSI) Seoul, South Korea