Why the route curves
A great circle is the shortest path between two points on a sphere. It often looks curved on a flat map, especially on long-haul routes.
Aviation route intelligence
Search any two airports to reveal the true great-circle arc, precise distance, bearings, midpoint and planning-grade route insights—in seconds.
Choose two airports or try a popular route. The map follows the actual great-circle curve—not a straight line pasted onto a flat map.
Your plain-English route briefing will summarise stage length, direction and key geographic characteristics.
A great circle is the shortest path between two points on a sphere. It often looks curved on a flat map, especially on long-haul routes.
Actual flown distance varies with winds, airways, weather and ATC. Use this result for comparison, network analysis and early planning.
See the great-circle formula explained, including haversine distance, bearings and assumptions.