Great-Circle Flight Distance & Time Calculator
Enter the latitude and longitude of your origin and destination, cruising speed, and the timezone offset to estimate distance, flight duration, and local arrival time.
Great-Circle Distance
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Distance (miles)—
Flight Time (hrs)—
Arrival Hour (local)—
Arrival Minute (local)—
About this calculator
Calculate the great-circle distance between two cities using the haversine formula, plus an estimated flight time and timezone-adjusted arrival time.
Frequently Asked Questions
What formula is used?
This calculator uses the haversine formula, which computes the great-circle distance between two points on a sphere given their latitude and longitude.
Does this account for wind or flight routing?
No, this is a straight-line estimate. Actual flight paths and times vary due to air traffic routing, wind, and weather.
How do I find coordinates for a city?
You can search 'latitude longitude of [city]' online to find approximate decimal degree coordinates.