Calculating Distance Between Copenhagen and Rome on Same Longitude

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To calculate the distance between Copenhagen and Rome, both located on similar longitudes but differing latitudes, the curvature of the Earth must be considered. The formula for calculating the distance between two points on a sphere based on latitude is essential, using the Earth's radius of approximately 6,371 kilometers. The difference in latitude between Copenhagen (55.67° N) and Rome (41.90° N) is about 13.77 degrees. This results in a surface distance of approximately 1,000 kilometers when applying the spherical distance formula. Accurate calculations are crucial for understanding geographical distances on Earth.
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Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart, measured on the Earth's surface, are Copenhagen (55.67° N latitude), and Rome (41.90° N latitude)? The two cities lie on approximately the same longitude. Do not neglect the curvature of the Earth in determining this distance.
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