Flight Distance Calculator
Estimate flight distance between two places or airports.
Flight distance shown here is the great-circle distance between two locations — the shortest possible path through the air. Actual flown distance is usually slightly longer due to air traffic routing, weather, and airspace restrictions, and does not include ground time before takeoff or after landing.
How This Calculator Works
This calculator uses each location's coordinates to calculate the great-circle distance between your origin and destination — the shortest possible path through the air, following the curve of the Earth rather than a straight line on a flat map. This is the standard baseline figure for air distance between two places.
Flight Distance vs. Driving Distance
Flight distance and driving distance answer different questions, and mixing them up is a common source of confusion when comparing travel options. A flight travels close to a direct, great-circle path, while a drive is constrained to the road network, which bends around geography and adds distance. Two cities can be a short flight apart while still being a long, indirect drive — which is exactly the kind of comparison worth checking before choosing how to travel. For the driving figure on its own, the Driving Distance Calculator estimates it directly.
Flight Distance vs. Flight Duration
Flight distance and flight duration are related but not interchangeable — a longer distance usually means a longer flight, but aircraft speed, wind, and routing mean the relationship isn't exact. Use this calculator when you want the distance between two places. If you already have a flight's scheduled departure and arrival time and want the actual elapsed time instead, the Flight Duration Calculator calculates that directly.
FAQ
Is flight distance the same as driving distance?
No. Flight distance is the great-circle distance through the air — the shortest possible path between two points. Driving distance follows actual roads, which curve around geography, cities, and highway networks, so it's almost always longer than the flight distance between the same two places.
How is flight distance calculated?
It's calculated using each location's coordinates and the great-circle formula, which accounts for the curvature of the Earth. This is the same method airlines use as a baseline for planning routes, though actual flight paths can deviate from it.
Does this account for flight paths, layovers, or wind?
No. This is a straight-line geometric distance, not a routed flight path. Actual flown distance is typically a bit longer due to air traffic routing, weather, and airspace restrictions, and a layover adds the distance of both legs rather than a single direct hop.
Can I use flight distance to estimate flight time?
It's a useful reference point, but flight time also depends on aircraft speed, wind, and routing, so treat it as a rough guide rather than an exact figure.
What if a place I want isn't in the search results?
This calculator searches a dataset of tens of thousands of cities and places worldwide. If your exact city doesn't appear, try searching for the nearest larger city instead — it will give a reasonably close estimate.