Back to CalculatorRoute ID: GMP-USM
Flight Distance from Seoul (GMP) to Na Thon (Ko Samui Island) (USM)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
GMPRKSS
Seoul, South Korea
Seoul Gimpo International Airport
Great Circle Path
4,107 km2,552 miles • 2,218 NM
Destination Airport
VTSMUSM
Na Thon (Ko Samui Island), Thailand
Samui International Airport
Direct Distance
4,107 km
2,552 Statute Miles
2,218 Nautical Miles
Commercial Flight
5h 20m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
370 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
228° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
5h 20m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
4h 58m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
8h 24m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇰🇷 South Korea→🇹🇭 Thailand
This information is provided for general guidance only and does not replace official verification with an embassy, consulate, or the IATA Travel Centre before you travel.
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Flight Path & Geodetic Arc Map
Great Circle Flight Arc Path
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Departure Airport Specs
Seoul Gimpo International Airport (GMP)
- City / Country: Seoul, South Korea
- ICAO Code: RKSS
- Coordinates: 37.5583°, 126.7910°
- Timezone: Asia/Seoul
- Elevation: 59 ft
Arrival Airport Specs
Samui International Airport (USM)
- City / Country: Na Thon (Ko Samui Island), Thailand
- ICAO Code: VTSM
- Coordinates: 9.5478°, 100.0620°
- Timezone: Asia/Bangkok
- Elevation: 64 ft
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