Distance From Charles M. Schulz Sonoma County Airport to Incheon International Airport, STS - ICN Distance

The distance from Charles M. Schulz Sonoma County Airport (STS) to Incheon International Airport (ICN) is 5587 miles or 8991 kilometers or 4852 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 Santa Rosa ( United States ) to Seoul ( South Korea )?

A one-way nonstop (direct) flight between Santa Rosa and Seoul takes around 12 hours 50 minutes.

Estimated flight time from Charles M. Schulz Sonoma County Airport, Santa Rosa, United States to Incheon International Airport, Seoul, South Korea is 12 hours 50 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 • STS - ICN

Kilometers		8991 km
Statute Miles		5587 miles
Nautical Miles		4852 nm
Avg. Time of Flight		12 hours 50 minutes

Charles M. Schulz Sonoma County Airport to Incheon International Airport Flight Route Map - STS to ICN Flight Path

Location of Charles M. Schulz Sonoma County Airport & Incheon International Airport is given below.
Click the map to view Santa Rosa to Seoul nonstop flight path and travel direction.

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

Nonstop flight route between Santa Rosa, United States and Seoul, South Korea.

Time Difference Between the Airports • STS - ICN

Time difference between Santa Rosa (United States) and Seoul (South Korea) is 17 Hours.
Seoul time is 17 Hours ahead of Santa Rosa.

Location	Local Time
Santa Rosa (United States)	2025-12-04, 22:54:35 PST
Seoul (South Korea)	2025-12-05, 15:54:35 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

Charles M. Schulz Sonoma County Airport (STS / KSTS) Santa Rosa, United States

Destination

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