Back to CalculatorRoute ID: SEA-ADL
Flight Distance from Seattle (SEA) to Adelaide (ADL)
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
13,419 km8,338 miles • 7,246 NM
Destination Airport
YPADADL
Adelaide, Australia
Adelaide International Airport
Direct Distance
13,419 km
8,338 Statute Miles
7,246 Nautical Miles
Commercial Flight
16h 17m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,208 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
250° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
16h 17m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
15h 5m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
26h 18m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇺🇸 United States→🇦🇺 Australia
Allowed Stay90 days
Passport Validity Required6 months
💡 Official Note: Electronic Travel Authority (ETA) required.
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
Adelaide International Airport (ADL)
- City / Country: Adelaide, Australia
- ICAO Code: YPAD
- Coordinates: -34.9475°, 138.5334°
- Timezone: Australia/Adelaide
- Elevation: 20 ft
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