Distance From Buchanan Airport to Gimpo International Airport, UCN - GMP Distance

The distance from Buchanan Airport (UCN) to Gimpo International Airport (GMP) is 8349 miles or 13436 kilometers or 7250 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.

---

How long does it take to travel from Buchanan ( Liberia ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Buchanan and Seoul takes around 19 hours 11 minutes.

Estimated flight time from Buchanan Airport, Buchanan, Liberia to Gimpo International Airport, Seoul, South Korea is 19 hours 11 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 • UCN - GMP

Kilometers		13436 km
Statute Miles		8349 miles
Nautical Miles		7250 nm
Avg. Time of Flight		19 hours 11 minutes

Buchanan Airport to Gimpo International Airport Flight Route Map - UCN to GMP Flight Path

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

Click to see flight route on Google Map between Buchanan, Liberia and Seoul, South Korea. .

Nonstop flight route between Buchanan, Liberia and Seoul, South Korea.

Time Difference Between the Airports • UCN - GMP

Time difference between Buchanan (Liberia) and Seoul (South Korea) is 9 Hours.
Seoul time is 9 Hours ahead of Buchanan.

Location	Local Time
Buchanan (Liberia)	2026-03-18, 01:12:21 GMT
Seoul (South Korea)	2026-03-18, 10:12:21 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

Buchanan Airport (UCN / GLBU) Buchanan, Liberia

Destination

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