The Great Circle Distance Calculator

The Great Circle Distance Calculator

Enter Degrees Minutes and Seconds with one space between like this 60 30 10. You can enter 60 and it will be assumed to be 60 degrees. if you enter 60 20 it will assumed to be 60 degrees and 20 minutes. If you want to enter 10 seconds enter 0 0 10. You can also enter minutes as a decimal if you do not use seconds.

You can also pick a destination from the Pacific Ocean or Sea of Cortez list. The latitude and longitude from the list will only be applied when you change the selection on the list.

Starting location

Latitude:

Longitude:

Destination

Latitude:

Longitude:

The distance = 600 nautical miles

This Great Circle Distance Calculator gives an answer in nautical miles. One minute of latitude is equal to one nautical mile. I have set the radius of the earth to be 3437.74677078492999 nautical miles and then all results are rounded off to tenths of a mile. Please remember that even if the distance is correct it may not be the route you have to take. This calculator does not take in to account any land you may have to go around to get there. At high latitudes this calculator may not be correct.

This page uses JavaScript to make a request to the server. The request passes the latitude and longitude data to the server to do the calculation. The calculations are done on the server with PHP. This happens without the page reloading. If you do not have JavaScript enabled click on To the Rescue. This will reload the page. The calculation will be the same.

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