Back to CalculatorRoute ID: SYD-SEA
Flight Distance from Sydney (Mascot) (SYD) to Seattle (SEA)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
SYDYSSY
Sydney (Mascot), Australia
Sydney Kingsford Smith International Airport
Great Circle Path
12,472 km7,750 miles • 6,734 NM
Destination Airport
KSEASEA
Seattle, United States
Seattle–Tacoma International Airport
Direct Distance
12,472 km
7,750 Statute Miles
6,734 Nautical Miles
Commercial Flight
15h 10m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,122 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
47° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
15h 10m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
14h 3m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
24h 29m
Speed: ~520 km/h (280 knots)
Passport & Visa Entry Requirements
🇦🇺 Australia→🇺🇸 United States
Allowed Stay90 days
Passport Validity Required6 months
💡 Official Note: Visa Waiver Program — ESTA online authorization 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
Sydney Kingsford Smith International Airport (SYD)
- City / Country: Sydney (Mascot), Australia
- ICAO Code: YSSY
- Coordinates: -33.9461°, 151.1770°
- Timezone: Australia/Sydney
- Elevation: 21 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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