Lat/Long Distance
Calculate the great-circle distance between two latitude/longitude coordinates using the Haversine formula.
Haversine distance
Great-circle distance on a sphere of radius 6371 km. Accurate to ~0.5% on Earth's ellipsoid.
Frequently Asked Questions
Is the Lat/Long Distance free to use?
Yes, the Lat/Long Distance is 100% free to use. There are no subscriptions, no sign-ups, and no hidden fees.
Is my data safe when using the Lat/Long Distance?
Absolutely. All calculations performed by the Lat/Long Distance happen locally in your web browser. We do not store, track, or transmit your inputs or results to any server.
How accurate is the Lat/Long Distance?
Our Lat/Long Distance uses industry-standard formulas and methodology. You can view the exact formula and calculation logic used in the methodology section above to verify the math yourself.
Can I use the Lat/Long Distance on my mobile phone?
Yes! The Lat/Long Distance is fully responsive and works seamlessly on all devices including smartphones, tablets, and desktop computers.