Distance From Upper Loon Creek US Forest Service Airport to Muan International Airport

The distance from Upper Loon Creek US Forest Service Airport () to Muan International Airport (MWX) is 5736 miles or 9231 kilometers or 4981 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 Challis ( United States ) to Piseo-ri (Muan) ( South Korea )?

A one-way nonstop (direct) flight between Challis and Piseo-ri (Muan) takes around 13 hours 11 minutes.

Estimated flight time from Upper Loon Creek US Forest Service Airport, Challis, United States to Muan International Airport, Piseo-ri (Muan), South Korea is 13 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 • - MWX

Kilometers		9231 km
Statute Miles		5736 miles
Nautical Miles		4981 nm
Avg. Time of Flight		13 hours 11 minutes

Upper Loon Creek US Forest Service Airport to Muan International Airport Flight Route Map - to MWX Flight Path

Location of Upper Loon Creek US Forest Service Airport & Muan International Airport is given below.
Click the map to view Challis to Piseo-ri (Muan) nonstop flight path and travel direction.

Click to see flight route on Google Map between Challis, United States and Piseo-ri (Muan), South Korea. .

Nonstop flight route between Challis, United States and Piseo-ri (Muan), South Korea.

Time Difference Between the Airports • - MWX

Time difference between Challis (United States) and Piseo-ri (Muan) (South Korea) is 16 Hours.
Piseo-ri (Muan) time is 16 Hours ahead of Challis.

Location	Local Time
Challis (United States)	2026-11-07, 12:48:55 MST
Piseo-ri (Muan) (South Korea)	2026-11-08, 04:48:55 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

Upper Loon Creek US Forest Service Airport ( / U72) Challis, United States

Destination

Muan International Airport (MWX / RKJB) Piseo-ri (Muan), South Korea