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Flight Distance Calculator

Distance between any two cities or airports

Flight Distance Calculator (Haversine)

Enter coordinates in decimal degrees. Positive = N/E, Negative = S/W.
Origin Latitude
Origin Longitude
Dest. Latitude
Dest. Longitude

A flight distance calculator uses the Haversine formula to compute the great-circle distance between two geographic coordinates — the shortest surface path aircraft follow.

  1. 1Haversine formula uses lat/lon in radians
  2. 2Earth mean radius = 6,371 km
  3. 3Great-circle is shorter than flat-map distance on long routes
  4. 4Estimated flight time = Distance / 900 km/h (typical cruise)
London (51.5°N, 0.1°W) → Sydney (33.9°S, 151.2°E)=≈ 16,993 km; ~19–22 hours flight time
RouteDistanceFlight time
London–New York5,540 km~7h
Dubai–Singapore5,840 km~7h
New York–LA3,940 km~5.5h
London–Sydney16,993 km~22h
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