Great-Circle Distance and Destination
Estimate the spherical shortest distance, initial azimuth, or the destination according to the distance and direction.
Great-Circle Distance and Destination User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Enter two points of the longitude difference on the equator, and calculate a spherical distance of about 111.195 kilometers.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Uses vectors to calculate the central angle on a sphere of radius 6371.0088 km and great-circle formulas to calculate the destination.
scope of use
Accepts decimal-degree coordinates in the same datum. Not road mileage or precision surveying. No GCJ-02 or BD-09 conversion, and no access to your location.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Accepts decimal-degree coordinates in the same datum. Not road mileage or precision surveying. No GCJ-02 or BD-09 conversion, and no access to your location. Please compare the input unit, rounding method, applicable rules and data version first.