Back to CalculatorRoute ID: SEA-CCU
Flight Distance from Seattle (SEA) to Kolkata (CCU)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
SEAKSEA
Seattle, United States
Seattle–Tacoma International Airport
Great Circle Path
11,634 km7,229 miles • 6,282 NM
Destination Airport
VECCCCU
Kolkata, India
Netaji Subhash Chandra Bose International Airport
Direct Distance
11,634 km
7,229 Statute Miles
6,282 Nautical Miles
Commercial Flight
14h 11m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,047 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
331° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
14h 11m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
13h 9m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
22h 52m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🌐 IN
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
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
Arrival Airport Specs
Netaji Subhash Chandra Bose International Airport (CCU)
- City / Country: Kolkata, India
- ICAO Code: VECC
- Coordinates: 22.6540°, 88.4476°
- Timezone: Asia/Kolkata
- Elevation: 16 ft
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