GPS Distance Calculator
Compute the great-circle (haversine) distance, initial bearing, and rough flight time between any two GPS coordinates. Paste decimal coordinates (latitude, longitude) below.
- Distance (km)
- 1149.36
- Distance (miles)
- 714.18
- Initial bearing
- 96.7° (E)
- Approx. flight time
- 1h 21min
Popular city distances
Great-circle distances between major cities, computed live from coordinates.
FromToDistance
SeoulTokyo1,149 km
SeoulBeijing952 km
TokyoOsaka392 km
New YorkLos Angeles3,936 km
New YorkLondon5,570 km
LondonParis344 km
ParisRome1,105 km
LondonNew York5,570 km
SydneyMelbourne713 km
SingaporeBangkok1,427 km
DubaiLondon5,473 km
Hong KongSingapore2,586 km
Frequently Asked Questions
- How is distance calculated?
- We use the haversine formula on a spherical Earth (mean radius 6,371 km). This gives the great-circle distance — the shortest path on Earth's surface between two points.
- Why does it differ from driving distance?
- Great-circle distance ignores roads, terrain, and traffic. For driving, use a routing tool. Great-circle is the standard for aviation and "as-the-crow-flies" measurements.
- What is initial bearing?
- The compass direction (0° = North, 90° = East, 180° = South, 270° = West) you would head from the start point. The bearing changes along a great-circle path.
- How accurate is the flight time?
- It assumes a constant cruise speed of ~850 km/h and ignores takeoff, landing, climb, and routing detours. Treat it as a rough estimate.