The distance from Kunsan Air Base (KUV) to Ontario International Airport (ONT) is 6074 miles or 9775 kilometers or 5275 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.
9775 kilometers is the direct flight distance between Kunsan Air Base (South Korea) and Ontario International Airport (United States).
How long does it take to travel from Kunsan ( South Korea ) to Ontario ( United States )?
A one-way nonstop (direct) flight between Kunsan and Ontario takes around 13 hours 57 minutes.
Estimated
flight time from Kunsan Air Base, Kunsan, South Korea to Ontario International Airport, Ontario, United States is
13 hours 57 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 • KUV - ONT
| Kilometers | | 9775 km |
| Statute Miles | | 6074 miles |
| Nautical Miles | | 5275 nm |
| Avg. Time of Flight | | 13 hours 57 minutes |
Kunsan Air Base to Ontario International Airport Flight Route Map - KUV to ONT Flight Path
Location of Kunsan Air Base & Ontario International Airport is given below.
Click the map to view Kunsan to Ontario nonstop flight path and travel direction.
Click to see flight route on Google Map between Kunsan, South Korea and Ontario, United States. .
Nonstop flight route between Kunsan, South Korea and Ontario, United States.
Time Difference Between the Airports • KUV - ONT
Time difference between
Kunsan (South Korea) and
Ontario (United States) is 16 Hours.
Ontario time is 16 Hours behind Kunsan.
| Location | Local Time |
| Kunsan (South Korea) | 2026-03-15, 21:16:14 KST |
| Ontario (United States) | 2026-03-15, 05:16:14 PDT |
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.