Frequently Asked Questions
What is the distance between Adelaide, South Australia, Australia and Jiyang, Hainan, China?
The straight-line (great-circle) distance between Adelaide, South Australia, Australia and Jiyang, Hainan, China is 6,664 kilometres (4,141 miles). This is the shortest possible distance between the two points on Earth's surface, calculated using the haversine formula based on precise latitude and longitude coordinates.
How long does it take to fly from Adelaide, South Australia, Australia to Jiyang, Hainan, China?
At an average commercial jet speed of 900 km/h, the estimated flight time from Adelaide to Jiyang is approximately 7.4 hours. This excludes takeoff, landing, taxi time, and potential layovers. Actual flight duration may vary depending on aircraft type, routing, weather conditions, and air traffic.
What is the time difference between Adelaide, South Australia, Australia and Jiyang, Hainan, China?
The time difference between Adelaide, South Australia, Australia and Jiyang, Hainan, China is -2h 30m. Jiyang is -2h 30m behind Adelaide. This difference is important to consider when scheduling calls, meetings, or travel between the two cities.
Is the distance shown the same as driving distance?
No. The distance shown is the straight-line distance (also called "as the crow flies" or great-circle distance). Actual driving distance would be longer due to roads, terrain, and geographic obstacles. Flight routing may also differ from the straight-line path due to air traffic corridors, weather, and political airspace restrictions.
How accurate is this distance calculator?
Our calculator uses precise latitude and longitude coordinates from a database of over 150,000 cities worldwide and applies the haversine formula. This method is accurate to within a fraction of a percent for Earth-scale distances, making it suitable for travel planning, logistics, and general reference.
What are the coordinates of Adelaide and Jiyang?
Adelaide is located at approximately -34.92866000°N, 138.59863000°E. Jiyang is located at approximately 18.28294590°N, 109.57422780°E. These coordinates are used to calculate the precise great-circle distance between the two cities.