Distance between two meridians of longitude (along a parallel)
Meridians converge from the Equator to the Pole.
A change in longitude (degrees) will not represent the same East-West distance (nm) for different latitudes.
Departure = change in longitude (°) x 60 x cosine (latitude)
Change in longitude (°) = 6 / (60 x cosine (58º42’)) = 0º11’33’’
094º00’ - 0º11’33’’ = 93º48,5’
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