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Flight Mapper is a free web-based great circle route planner for aviation professionals. Type any two airports — by IATA code (like JFK), ICAO code (like KJFK), city name, or even latitude and longitude — and the tool instantly draws the shortest path between them on an interactive world map. It computes the great circle distance in nautical miles and kilometers, the magnetic heading at the start of the leg, and the estimated flight time at a cruise speed you choose.
Built by Alexa Business Aviation Management — a Brazilian operator that runs private jet operations every day — Flight Mapper exists to solve real problems we faced internally: estimating times for a charter quote in seconds, briefing a passenger before they confirm a booking, and giving dispatchers a faster sanity check than firing up the full planning suite.
Chain airports with hyphens in Raw mode — for example SBGR-KMIA-KJFK-EGLL — and the tool plots three legs in a single click, color-coded and totaled. Plan multiple independent trips in the same view by separating with commas: SBGR-KMIA, OMDW-EGLL creates two distinct route groups with independent subtotals plus a grand total in the briefing.
Draw circles of constant distance — or constant flight time — around any airport. Useful for visualizing fuel reserves, ETOPS-style diversion coverage, charter ferry analysis, and answering questions like "what airports are reachable in 60 minutes from here?" Stack multiple rings in different colors and styles to compare scenarios on the same map.
Generate a printable Route Briefing for any combination of routes and rings. Export it as a PNG sized for sharing on WhatsApp, email, or paper. Or click Share to copy a permalink that captures the entire view — when the recipient opens it, they see exactly what you saw, with no signup required.
Flight Mapper is a Progressive Web App. Install it on your iPhone, iPad, or Android device from the browser — Safari users get a prompt with one-tap install instructions. Once installed, the UI shell works without a connection (map tiles still need internet) and the app lives on your home screen with its own icon.
The airport database covers commercial hubs, regional fields, private strips, helipads, and remote locations — from KJFK and EGLL down to small grass strips in the Amazon and Outback. Search by IATA, ICAO, city, country, or directly by latitude/longitude when you need a precise waypoint that isn't an airport.
Nothing you plan leaves your browser. Routes, GPS location, and theme preferences live only in your local session — never uploaded to a server. The only data we collect is aggregate, anonymous usage statistics through Google Analytics (IPs anonymized). No accounts, no tracking pixels chasing you across the web.
The tool is used daily by pilots planning trip briefings before departure, dispatchers and flight coordinators validating distances against quotes, schedulers preparing visual summaries for clients, trip support and concierge teams producing printable handouts for passengers, charter sales teams pricing one-off legs, and aviation enthusiasts and students learning how great circle navigation actually works in practice. Sales teams at fractional ownership programs use it to demonstrate "what your flight will look like" to prospective customers.
A great circle is the shortest path between two points on the surface of a sphere — and Earth is close enough to a sphere that aviation treats it as one. On a flat Mercator map a great circle looks like a curve, which can be counter-intuitive at first. A flight from New York to Tokyo, for instance, naturally arcs over Alaska and the Bering Sea, not in a straight line across the Pacific. The arc is the straight line in three dimensions; it's the flat map that's distorted.
This matters a lot for long-haul flights at high latitudes, where the great circle saves hours of flight time compared to a "constant heading" rhumb line. Flight Mapper computes the haversine great circle distance for every pair of points you enter, which is accurate to within about 0.5 % for any distance up to roughly the diameter of Earth — more than enough precision for charter quotes, briefings, and planning sanity checks.
Quick charter quote. Type origin and destination in Search mode, glance at the flight time, send the number to the client. Less than 30 seconds for the most common quoting question we get.
Multi-stop trip planning. Switch to Raw mode, type the full chain (for example EGLF-LFPB-LIRA-LGAT-LCLK for a four-leg European tour), open the Briefing modal to see times for each leg plus the trip total, export as PNG, attach to the trip brief email.
Diversion analysis. Plot your planned route, then drop range rings of 60 minutes at the configured aircraft diversion speed around your en-route airports. Quickly see where you have coverage and where you're exposed.
Comparing options. Add multiple route groups separated by commas — for instance comparing SBGR-KORD versus SBGR-KMIA-KORD — and the briefing shows both with grand totals, making it easy to pick the cheaper or faster option.
Flight Mapper is a planning aid, not a certified flight planning system. The distances and times it shows are computed with the haversine formula assuming a perfectly spherical Earth — fine for briefings and quotes, but not for filing an oceanic flight plan. Always validate routes, fuel, weather, NOTAMs, and airport suitability through your operator's approved planning system before flight. The disclaimer modal that appears on first visit makes this clear, and we restate it across the FAQ and Terms of Use.
Try it now — read the user guide, browse the aviation glossary, or jump straight into the FAQ.
