Distance From Denham Aerodrome to Incheon International Airport

The distance from Denham Aerodrome () to Incheon International Airport (ICN) is 5502 miles or 8854 kilometers or 4778 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 Gerrards Cross ( United Kingdom ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Gerrards Cross and Seoul takes around 12 hours 38 minutes.

Estimated flight time from Denham Aerodrome, Gerrards Cross, United Kingdom to Incheon International Airport, Seoul, South Korea is 12 hours 38 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 • - ICN

Kilometers		8854 km
Statute Miles		5502 miles
Nautical Miles		4778 nm
Avg. Time of Flight		12 hours 38 minutes

Denham Aerodrome to Incheon International Airport Flight Route Map - to ICN Flight Path

Location of Denham Aerodrome & Incheon International Airport is given below.
Click the map to view Gerrards Cross to Seoul nonstop flight path and travel direction.

Click to see flight route on Google Map between Gerrards Cross, United Kingdom and Seoul, South Korea. .

Nonstop flight route between Gerrards Cross, United Kingdom and Seoul, South Korea.

Time Difference Between the Airports • - ICN

Time difference between Gerrards Cross (United Kingdom) and Seoul (South Korea) is 9 Hours.
Seoul time is 9 Hours ahead of Gerrards Cross.

Location	Local Time
Gerrards Cross (United Kingdom)	2026-03-15, 10:08:24 GMT
Seoul (South Korea)	2026-03-15, 19:08:24 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

Denham Aerodrome ( / EGLD) Gerrards Cross, United Kingdom

Destination

Incheon International Airport (ICN / RKSI) Seoul, South Korea