Geodesic Distance & Bearings
Great-circle route
The shortest spherical route follows a great-circle arc while the local bearing rotates along the track.
Drag to rotate the globe and inspect the surface route.
Great-circle distance
5,569.57 km
central angle 50.088 deg
Initial bearing
288.22 deg
leaving the start point
Final bearing
231.23 deg
arriving at the end point
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.