New York, United States → Sydney, Australia · ✈ 20h 29min
8,633 nautical miles · Time difference: +15h ahead · Direction: southeast
The distance from New York to Sydney is 15,989 km (9,935 miles). The fastest way to travel is by flight. A direct flight takes approximately 20h 29min.
The straight-line distance from New York, United States to Sydney, Australia is approximately 15,989 kilometers (9,935 miles or 8,633 nautical miles). This measurement uses the Haversine formula, computing the great-circle distance — the shortest path between two points on Earth's surface.
Sydney is located southeast of New York. New York is in North America, in the Northeast region of United States, while Sydney is in Oceania, in New South Wales, Australia. This intercontinental route spans from North America to Oceania.
| Mode | Distance | Est. Time | Best For |
|---|---|---|---|
| ✈️ Flight | 15,989 km | ~20h 29min | Best option for speed |
Our recommendation: flight is typically the best way to travel from New York to Sydney. For 15,989 km, flying saves significant time and is usually the most practical choice.
New York sits at 40.7128°N, 74.0060°W, while Sydney is located at 33.8688°S, 151.2093°E. The initial compass bearing from New York to Sydney is 266° (W), so a great-circle flight path leaves New York heading roughly W. Because the Earth is curved, the actual heading shifts gradually along the route — pilots and navigation systems update it continuously instead of holding a single fixed compass bearing.
The latitude difference is 74.58° and the longitude difference is 225.22°. Each degree of latitude represents about 111 km, which is one reason cross-latitude routes feel longer even when the map looks similar to east–west journeys.
The geographic midpoint between New York and Sydney is approximately 8.7899°N, 147.6392°W. This is the great-circle halfway position — the spot where you would be exactly 7,995 km from each city. On long-haul flights this point usually falls over open ocean or remote terrain, which is why in-flight maps often look "empty" mid-route.
Sydney is roughly 15 hours ahead of New York. When it is 09:00 in New York, it is approximately 00:00 in Sydney. A time difference of 15 hours typically produces noticeable jet lag — most travelers need about one recovery day per time zone crossed. Daylight saving time can shift the offset by an hour during certain months, so confirm the exact difference for your specific travel dates.
New York uses the US Dollar (USD), while Sydney uses the Australian Dollar (AUD). Plan to exchange currency before departure or use a low-fee travel card on arrival — airport rates are typically the worst available. Both destinations share English as a primary language, simplifying signage, transit, and everyday interactions.
New York is a major city in United States with a population of approximately 8,336,817. Located in the Northeast region, it is an important hub in North America. As one of the largest cities in United States, New York is a major international gateway with extensive air connections and multiple airports.
→ See all distances from New York
Sydney is a notable city in Australia with a population of approximately 5,312,163. Situated in the New South Wales region, it serves as a key destination in Oceania. Sydney is one of Australia's largest cities, offering major airport hubs, extensive public transport, and a wide range of accommodation options.
→ See all distances from Sydney
At 15,989 km, this is one of the longer routes on the globe, spanning from North America to Oceania. For comparison, London to Sydney is about 17,000 km — roughly half the circumference of the Earth.
At 15,989 km, New York to Sydney is one of the world's longer routes, covering 39.9% of Earth's circumference (40,075 km).
Combined, New York and Sydney have a population of over 13,648,980 people, making this a major urban corridor.
This route crosses from North America to Oceania, spanning 15 timezones.
This 15,989 km journey from North America to Oceania is one of the world's longer routes. At this distance, jet lag becomes a significant factor — plan for at least one recovery day per 3 time zones crossed.
See how the New York to Sydney distance compares to similar routes:
The straight-line distance from New York to Sydney is approximately 15,989 kilometers (9,935 miles, 8,633 nautical miles).
A direct flight takes approximately 20h 29min, based on 800 km/h cruising speed plus 30 minutes for takeoff and landing.
Estimated driving time is approximately 259h 49min, based on 80 km/h average speed and roads being ~30% longer than straight-line distance.
Sydney is approximately +15h ahead compared to New York.
The estimated road distance is approximately 20,786 km, which is about 30% longer than the 15,989 km straight-line distance.
📍 Data: Coordinates from OpenStreetMap contributors. Distances calculated using the Haversine formula. Travel times are estimates only. Last verified: August 5, 2026.