✈ JFK → SYD

19H 49M, 9,950 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.

Flight time
19h 49m
Distance
9,950 mi
Or
16,013 km
Jet lag
14h

Flight from New York to Sydney

From JFK (JFK), USA North America  →  Kingsford Smith (SYD), Australia Oceania

↔ Flying the other way? Sydney → New York

How long is the flight from New York to Sydney?

A nonstop flight from New York (JFK) to Sydney (SYD) takes about 19 hours 49 minutes, covering a great-circle distance of 9,950 miles (16,013 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.

Avg flight time

19h 49m

Nonstop, scheduled

Distance

9,950 mi

16,013 km · great-circle

Avg speed

808 km/h

Door-to-door including taxi

Time zones & jet lag

New York timezone

UTC-4

America/New_York

Sydney timezone

UTC+10

Australia/Sydney

Time difference

+14h

14 hours ahead

Jet lag (rough)

~14d

Eastward — worse

CO₂ footprint per passenger

Economy class, single passenger. Source: DEFRA 2024 averages.

✈ Flight 2370 kg CO₂
🚗 Car (alone) 2738 kg CO₂
🚆 Train 657 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.