• Airport Distance Calculator
• Yokota Air Force Base to Seosan Air Base Flight Distance

Distance From Yokota Air Force Base to Seosan Air Base (OKO - HMY Distance)

The flight distance from Yokota Air Force Base (OKO) to Seosan Air Base (HMY) is 720 miles. This is equivalent to 1158 kilometers or 625 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

---

Flight Duration between Tokyo, Japan and Seosan, South Korea

Estimated flight time from Yokota Air Force Base, Tokyo, Japan to Seosan Air Base, Seosan, South Korea is 1 hours 26 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • OKO - HMY

Time difference between Tokyo (Japan) and Seosan (South Korea) is 0 Hours.
Current local time in Tokyo is 2026-02-01, 15:46:22 JST and time in Seosan is 2026-02-01, 15:46:22 KST.

Yokota Air Force Base to Seosan Air Base Flight Route Map - OKO to HMY Flight Path

Location of Yokota Air Force Base & Seosan Air Base is given below.
Click the map to view Tokyo to Seosan nonstop flight path and travel direction.

Click to see flight route on Google Map between Tokyo, Japan and Seosan, South Korea. .

Nonstop flight route between Tokyo, Japan and Seosan, South Korea.

Yokota Air Force Base
City:	Tokyo
Country:	Japan
IATA Code:	OKO
ICAO Code:	RJTY
GPS Coordinates:	Latitude: N 35° 44' 54.6'' Longitude: E 139° 20' 52.8''
Current time:	2026-02-01, 15:46:22 JST
Current weather:	Yokota Air Force Base 15 day weather forecast

Seosan Air Base
City:	Seosan
Country:	South Korea
IATA Code:	HMY
ICAO Code:	RKTP
GPS Coordinates:	Latitude: N 36° 42' 14.4'' Longitude: E 126° 29' 9.6''
Current time:	2026-02-01, 15:46:22 KST
Current weather:	Seosan Air Base 15 day weather forecast
Flights: