Back to CalculatorRoute ID: ICN-CNX
Flight Distance from Seoul (ICN) to Chiang Mai (CNX)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
ICNRKSI
Seoul, South Korea
Incheon International Airport
Great Circle Path
3,382 km2,101 miles • 1,826 NM
Destination Airport
VTCCCNX
Chiang Mai, Thailand
Chiang Mai International Airport
Direct Distance
3,382 km
2,101 Statute Miles
1,826 Nautical Miles
Commercial Flight
4h 29m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
304 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
240° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
4h 29m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
4h 11m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
7h 0m
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
Incheon International Airport (ICN)
- City / Country: Seoul, South Korea
- ICAO Code: RKSI
- Coordinates: 37.4691°, 126.4510°
- Timezone: Asia/Seoul
- Elevation: 23 ft
Arrival 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
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