Distance Calculator
Calculate great‑circle distance between two coordinates in km and miles using the Haversine formula.
- Runs in your browser
- No upload on server
- Free, forever
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Point A
Point B
5570.23
kilometres
3461.18
miles
3007.68
nautical miles
How this works — and why it's private
Type the latitude and longitude of each point. We use the Haversine formula on a sphere of radius 6,371 km — the same approximation used for flight paths. Accuracy is within ~0.5% for any two points on Earth.
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