Back to CalculatorRoute ID: BOS-SYD
Flight Distance from Boston (BOS) to Sydney (Mascot) (SYD)
Comprehensive aviation route data, direct distance, flight duration, CO₂ footprint, passport visa rules and interactive map.
Origin Airport
BOSKBOS
Boston, United States
Boston Logan International Airport
Great Circle Path
16,251 km10,098 miles • 8,775 NM
Destination Airport
YSSYSYD
Sydney (Mascot), Australia
Sydney Kingsford Smith International Airport
Direct Distance
16,251 km
10,098 Statute Miles
8,775 Nautical Miles
Commercial Flight
19h 37m
Est. non-stop flight duration (~850 km/h cruising speed + buffer)
CO₂ Footprint
1,463 kg
Estimated carbon footprint per economy passenger (~90g CO₂/km)
Initial Heading
270° True
Initial compass bearing towards destination
Estimated Travel Duration by Aircraft Class
Commercial Jet (Boeing 787 / A350)
19h 37m
Speed: ~850 km/h (459 knots)
Business Jet (Gulfstream G650)
18h 10m
Speed: ~920 km/h (496 knots)
Turboprop Aircraft (ATR-72 / Q400)
31h 45m
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
Boston Logan International Airport (BOS)
- City / Country: Boston, United States
- ICAO Code: KBOS
- Coordinates: 42.3620°, -71.0079°
- Timezone: America/New_York
- Elevation: 20 ft
Arrival 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
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