Distance From Sumter Airport to Gimpo International Airport, SUM - GMP Distance

The distance from Sumter Airport (SUM) to Gimpo International Airport (GMP) is 7194 miles or 11578 kilometers or 6248 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 Sumter ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Sumter and Seoul takes around 16 hours 32 minutes.

Estimated flight time from Sumter Airport, Sumter, United States to Gimpo International Airport, Seoul, South Korea is 16 hours 32 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 • SUM - GMP

Kilometers		11578 km
Statute Miles		7194 miles
Nautical Miles		6248 nm
Avg. Time of Flight		16 hours 32 minutes

Sumter Airport to Gimpo International Airport Flight Route Map - SUM to GMP Flight Path

Location of Sumter Airport & Gimpo International Airport is given below.
Click the map to view Sumter to Seoul nonstop flight path and travel direction.

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

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

Time Difference Between the Airports • SUM - GMP

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

Location	Local Time
Sumter (United States)	2025-12-17, 22:41:53 EST
Seoul (South Korea)	2025-12-18, 12:41:53 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

Sumter Airport (SUM / KSMS) Sumter, United States

Destination

Gimpo International Airport (GMP / RKSS) Seoul, South Korea