• Airport Distance Calculator
• Ab Airport to Utapao Airport Flight Distance

Distance From Ab Airport to Utapao Airport (OSN - UTP Distance)

The flight distance from Ab Airport (OSN) to Utapao Airport (UTP) is 2331 miles. This is equivalent to 3751 kilometers or 2024 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 Osan, South Korea and Utapao, Thailand

Estimated flight time from Ab Airport, Osan, South Korea to Utapao Airport, Utapao, Thailand is 4 hours 39 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 • OSN - UTP

Time difference between Osan (South Korea) and Utapao (Thailand) is 2 Hours.
Current local time in Osan is 2025-12-05, 21:49:18 KST and time in Utapao is 2025-12-05, 19:49:18 +07.
Utapao time is 2 Hours behind Osan.

Ab Airport to Utapao Airport Flight Route Map - OSN to UTP Flight Path

Location of Ab Airport & Utapao Airport is given below.
Click the map to view Osan to Utapao nonstop flight path and travel direction.

Click to see flight route on Google Map between Osan, South Korea and Utapao, Thailand. .

Nonstop flight route between Osan, South Korea and Utapao, Thailand.

Ab Airport
City:	Osan
Country:	South Korea
IATA Code:	OSN
ICAO Code:	RKSO
GPS Coordinates:	Latitude: N 37° 5' 26.2'' Longitude: E 127° 1' 48''
Current time:	2025-12-05, 21:49:18 KST
Current weather:	Ab Airport 15 day weather forecast

Utapao Airport
City:	Utapao
Country:	Thailand
IATA Code:	UTP
ICAO Code:	VTBU
GPS Coordinates:	Latitude: N 12° 40' 47.6'' Longitude: E 101° 0' 18''
Current time:	2025-12-05, 19:49:18 +07
Current weather:	Utapao Airport 15 day weather forecast
Flights: