🌦️ Earth & Weather

Azimuth Calculator

Enter observer and target coordinates to get the azimuth bearing and great-circle distance.

Observer latitude

Observer longitude

Target latitude

Target longitude

Result will appear here

Formula

azimuth = atan2(sin Δλ·cos φ₂, cos φ₁·sin φ₂ − sin φ₁·cos φ₂·cos Δλ)