Back to CalculatorRoute ID: CNX-SEA
Flight Distance from Chiang Mai (CNX) to Seattle (SEA)
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
11,580 km7,195 miles • 6,253 NM
Destination Airport
KSEASEA
Seattle, United States
Seattle–Tacoma International Airport
Direct Distance
11,580 km
7,195 Statute Miles
6,253 Nautical Miles
Commercial Flight
14h 7m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,042 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
27° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
14h 7m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
13h 5m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
22h 46m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇹🇭 Thailand→🇺🇸 United States
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
Seattle–Tacoma International Airport (SEA)
- City / Country: Seattle, United States
- ICAO Code: KSEA
- Coordinates: 47.4479°, -122.3103°
- Timezone: America/Los_Angeles
- Elevation: 433 ft
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