Back to Tools

Geodesic Distance & Bearings

Loading author...

Compute spherical great-circle distance and bearings between two latitude/longitude points.

deg
deg
deg
deg

Great-circle distance

5,569.57 km

central angle 50.088 deg

Initial bearing

288.22 deg

from start point

Final bearing

231.23 deg

arriving at end point

Great-circle route

The shortest spherical route follows a great-circle arc; bearings rotate along the track.

5,569.6 km

start51.48 N, 0.00 Wend40.64 N, 73.78 Winitial bearing288.22 degcentral angle50.088 deg

Distance

5,569.57 km

spherical great-circle length

Initial bearing

288.22 deg

track angle leaving the start point

Final bearing

231.23 deg

track angle when 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.