Distance Between OS Grid Coordinates

This tool can be used to find the distance between OS Grid Coordinates in the UK. Type in the two OS Grid Coordinates and click the Show button.

Map Showing the Distance Between Two OS Grid Coordinates


OS Grid Ref 1 OS Grid Ref 2


Measure in : miles km meters
Distance as the Crow Flies : As the crow Flies
Distance by Land Transport : Land Transport

Bulk Processing

Use the text box below to input bulk grid references and find the 'as the crow flies' distances between them. There is a limit of 200 pairs at a time. Add them in the format OS Grid Ref1,OS Grid Ref2 per line. Once processing is complete, the distance is appended as a 3rd column on the CSV list. You can toggle the units (miles/km) using the switch above.

 Process List 

How to Use The Distance Between OS Grid Coordinates

Type in the first and second grid references then click the Show button. The map will then display the location of the two points and also show the routes for:

  • As the crow flies - the straight distance between the points
  • By land transport - by car and/or boat

You will also see the distance displayed below the map for the distance as the crow flies and also by land transport. You can then type in more paths and click the show button to see more distances.

Uses of This Tool

This tool has a wide range of possible uses from point to point measurement to hiking. If you know of a useful application of this tool, let us know.

Version History

  • 8th August 2017 - Click/Tap on the map to find the X/Y Easting Northing
  • 2nd June 2017 - Page created

Relevant Links

Google Maps API

About OS Grid Reference

Comments For This Page

Jonathan, this has just been added so it appears when you click/tap on the map.
By Free Map Tools on 8th August 2017

Hi, Love your tools. Is it possible to click on the map yo generate xy/grid ref? If so. I haven't found it yet. Cheers.
By Jonathan on 7th August 2017

Richard, thanks for the comments. Please do share this page and also let us know if you have any suggestions for improvements.
By Free Map Tools on 2nd June 2017

That's really cool, thank you for doing the work !!!! We are going walking this weekend and will have a go. Also, with your permission, I'll send it to the teacher who trains the Ten Tors Teams at my daughters school so they can plan training - do you mind if they spread it around?
By Richard Dormer on 2nd June 2017

Add your own comment below and let others know what you think:


Your Name (optional)