Frequently Asked Questions
What is an azimuth?
The compass bearing from one point to another, measured clockwise from north (0°-360°).
How is great-circle distance different from straight-line?
Great-circle is the shortest path along the Earth's surface. Straight-line through the planet would be even shorter but useless for navigation.
Why decimal degrees?
Easier than degrees-minutes-seconds for math. 40° 42' 46" N ≈ 40.7128.
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This calculator provides estimates for informational purposes only. Results are based on assumptions and may not reflect actual outcomes. Consult qualified professionals in relevant fields before making important decisions based on these results.