The distance from Kita-Karuizawa Community Plaza Heliport () to Incheon International Airport (ICN) is 673 miles or 1083 kilometers or 585 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.
1083 kilometers is the direct flight distance between Kita-Karuizawa Community Plaza Heliport (Japan) and Incheon International Airport (South Korea).
How long does it take to travel from Naganohara ( Japan ) to Seoul ( South Korea )?
A one-way nonstop (direct) flight between Naganohara and Seoul takes around 1 hours 32 minutes.
Estimated
flight time from Kita-Karuizawa Community Plaza Heliport, Naganohara, Japan to Incheon International Airport, Seoul, South Korea is
1 hours 32 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 | | 1083 km |
| Statute Miles | | 673 miles |
| Nautical Miles | | 585 nm |
| Avg. Time of Flight | | 1 hours 32 minutes |
Kita-Karuizawa Community Plaza Heliport to Incheon International Airport Flight Route Map - to ICN Flight Path
Location of Kita-Karuizawa Community Plaza Heliport & Incheon International Airport is given below.
Click the map to view Naganohara to Seoul nonstop flight path and travel direction.
Click to see flight route on Google Map between Naganohara, Japan and Seoul, South Korea. .
Nonstop flight route between Naganohara, Japan and Seoul, South Korea.
Time Difference Between the Airports • - ICN
Time difference between
Naganohara (Japan) and
Seoul (South Korea) is 0 Hours.
| Location | Local Time |
| Naganohara (Japan) | 2026-06-22, 17:49:32 JST |
| Seoul (South Korea) | 2026-06-22, 17:49:32 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.