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Great-Circle Distance Calculator
Calculate approximate great-circle distance between two latitude/longitude points.
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Distance—
Initial bearing—
Statute miles—
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Distance between two coordinates
From 47.95° N, 97.18° W to 46.92° N, 96.81° W, the spherical calculation gives about 63.6 NM and an initial true bearing of 166.2°.
This is the shortest spherical path between coordinates. It excludes airways, restricted airspace, terrain avoidance and procedure routing; the bearing is not a magnetic cockpit heading.
Formula and method
Great-circle distance uses spherical geometry to estimate the shortest path between two latitude/longitude points.