Back to CalculatorRoute ID: CNX-GMP
Flight Distance from Chiang Mai (CNX) to Seoul (GMP)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
CNXVTCC
Chiang Mai, Thailand
Chiang Mai International Airport
Great Circle Path
3,413 km2,121 miles • 1,843 NM
Destination Airport
RKSSGMP
Seoul, South Korea
Seoul Gimpo International Airport
Direct Distance
3,413 km
2,121 Statute Miles
1,843 Nautical Miles
Commercial Flight
4h 31m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
307 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
46° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
4h 31m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
4h 13m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
7h 4m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇹🇭 Thailand→🇰🇷 South Korea
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
Chiang Mai International Airport (CNX)
- City / Country: Chiang Mai, Thailand
- ICAO Code: VTCC
- Coordinates: 18.7668°, 98.9626°
- Timezone: Asia/Bangkok
- Elevation: 1036 ft
Arrival 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
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