How to Use the Flight Distance Calculator

Our free Flight Distance Calculator instantly plots the exact geographical distance between any two cities in the world. Whether you are estimating travel times, calculating frequent flyer miles, or just satisfying your geographical curiosity, this tool provides real-time, accurate aviation metrics.

Step-by-Step Guide:

• Enter Departure City: Type your starting location into the left input box (e.g., "New York").
• Enter Arrival City: Type your destination into the right input box (e.g., "Paris").
• Calculate: Click the blue "Calculate Route" button. The tool will instantly ping our global geocoding database to pinpoint the exact GPS coordinates of both locations.
• Review Results: The highlighted results box will display the precise great-circle distance in both Kilometers and Miles, alongside an estimated commercial flight time.

Aviation Data Disclaimer

The distances provided by this tool are calculated using the Haversine formula, which measures the shortest "great-circle" distance over the Earth's surface between two points. Actual commercial flight routes are rarely perfectly straight due to Air Traffic Control (ATC) corridors, restricted airspace, and jet stream avoidance. The estimated flight time assumes an average commercial airliner cruising speed of 800 km/h (500 mph) and includes a standard 30-minute buffer for takeoff and landing patterns. Weather and aircraft types will alter actual travel times.