Great Circle Distance
Calculate Great Circle Distance instantly with the exact formula and a worked example.
Great Circle Distance
Latitude 1°
Longitude 1°
Latitude 2°
Longitude 2°
Distance
634.2981km
More about: Great Circle Distance
What it calculates
The “Great Circle Distance” calculator computes Distance in km from 4 parameters: latitude 1 (°), longitude 1 (°), latitude 2 (°), longitude 2 (°).
Trip planning, distance and time calculations.
Example calculation
With parameters Latitude 1 = 55.75 °, Longitude 1 = 37.62 °, Latitude 2 = 59.93 °, Longitude 2 = 30.31 ° the result is 634.3 km.
How to use
- Enter latitude 1, longitude 1, latitude 2 and longitude 2 — each field above is adjustable with a slider.
- Distance (km) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Great Circle Distance calculated?
The Great Circle Distance calculator computes Distance (in km) from latitude 1, longitude 1, latitude 2, longitude 2. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Great Circle Distance calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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