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.
- 1Haversine formula uses lat/lon in radians
- 2Earth mean radius = 6,371 km
- 3Great-circle is shorter than flat-map distance on long routes
- 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
| Route | Distance | Flight time |
|---|---|---|
| London–New York | 5,540 km | ~7h |
| Dubai–Singapore | 5,840 km | ~7h |
| New York–LA | 3,940 km | ~5.5h |
| London–Sydney | 16,993 km | ~22h |
References
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