Distance From Gwangju Airport to George Bush Intercontinental Houston Airport, KWJ - IAH Distance

The distance from Gwangju Airport (KWJ) to George Bush Intercontinental Houston Airport (IAH) is 7169 miles or 11537 kilometers or 6225 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 Gwangju ( South Korea ) to Houston ( United States )?

A one-way nonstop (direct) flight between Gwangju and Houston takes around 16 hours 28 minutes.

Estimated flight time from Gwangju Airport, Gwangju, South Korea to George Bush Intercontinental Houston Airport, Houston, United States is 16 hours 28 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 • KWJ - IAH

Kilometers		11537 km
Statute Miles		7169 miles
Nautical Miles		6225 nm
Avg. Time of Flight		16 hours 28 minutes

Gwangju Airport to George Bush Intercontinental Houston Airport Flight Route Map - KWJ to IAH Flight Path

Location of Gwangju Airport & George Bush Intercontinental Houston Airport is given below.
Click the map to view Gwangju to Houston nonstop flight path and travel direction.

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

Nonstop flight route between Gwangju, South Korea and Houston, United States.

Time Difference Between the Airports • KWJ - IAH

Time difference between Gwangju (South Korea) and Houston (United States) is 15 Hours.
Houston time is 15 Hours behind Gwangju.

Location	Local Time
Gwangju (South Korea)	2025-12-16, 02:50:40 KST
Houston (United States)	2025-12-15, 11:50:40 CST

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

Gwangju Airport (KWJ / RKJJ) Gwangju, South Korea

Destination

George Bush Intercontinental Houston Airport (IAH / KIAH) Houston, United States