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Thread: How do BA calculate flight distance?
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Old Oct 24, 2017 | 4:04 am
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EsherFlyer
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Originally Posted by EsherFlyer
The Avios / TP calculator gives the same 1494 miles whether you fly LHR-ATH or LGW-ATH, so it looks like it's measured from Charring Cross or similar .
If you ask gcmap.com to plot LCY, LGW and LHR whilst drawing radii for 723mi@OSL,654mi@NCE in the Ranges box the place where those paths cross looks north of all the airports (and Charring Cross). It looks more "in the middle" if STN is added.
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