Distance From Mammoth Yosemite Airport to Gimpo International Airport, MMH - GMP Distance

The distance from Mammoth Yosemite Airport (MMH) to Gimpo International Airport (GMP) is 5770 miles or 9286 kilometers or 5011 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 Mammoth Lakes ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Mammoth Lakes and Seoul takes around 13 hours 15 minutes.

Estimated flight time from Mammoth Yosemite Airport, Mammoth Lakes, United States to Gimpo International Airport, Seoul, South Korea is 13 hours 15 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 • MMH - GMP

Kilometers		9286 km
Statute Miles		5770 miles
Nautical Miles		5011 nm
Avg. Time of Flight		13 hours 15 minutes

Mammoth Yosemite Airport to Gimpo International Airport Flight Route Map - MMH to GMP Flight Path

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

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

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

Time Difference Between the Airports • MMH - GMP

Time difference between Mammoth Lakes (United States) and Seoul (South Korea) is 16 Hours.
Seoul time is 16 Hours ahead of Mammoth Lakes.

Location	Local Time
Mammoth Lakes (United States)	2026-08-07, 23:17:52 PDT
Seoul (South Korea)	2026-08-08, 15:17:52 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

Mammoth Yosemite Airport (MMH / KMMH) Mammoth Lakes, United States

Destination

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