Great Circle Tool

Great Circle Tool is a precise navigation utility that plots the shortest path between two points on the globe. Designed for pilots, sailors, and travelers, it calculates great circle distance, initial and final bearings, and key waypoints on an interactive map. Quickly compare routes, switch units between nautical miles, kilometers, and miles, and choose coordinate formats to match your workflow. With fast search for cities, airports, or coordinates and a clean interface, it is a reliable great circle distance calculator and bearing planner for aviation, marine, and overland navigation.