🌍️ Great Circle Sailing Calculator

Calculate the shortest distance between two points on Earth's surface with precise waypoint plotting and course information.

Useful?
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Departure Position

°'
°'

Arrival Position

°'
°'

Longitude Interval

°

Ready to Calculate

Enter your coordinates and click calculate to see the great circle route here.

How to Use

  1. 1Enter your departure and arrival coordinates in degrees and minutes format.
  2. 2Specify the desired longitude interval for intermediate waypoints.
  3. 3Click "Calculate Great Circle Route" to generate the results.
  4. 4View the route visualization on the interactive map with all waypoints plotted.

Common Applications

Voyage Planning

Calculate shortest distance routes, optimize waypoints, estimate ETA, and determine fuel requirements.

Navigation Training

Educational tool for navigation courses, simulation exercises, and practical training.

Aviation

Great circle calculations for long-distance flight planning and route optimization.

Geodesy & Mapping

Professional applications in cartography, surveying, and geographic information systems.