Internal function to calculate Euclidean distance between coordinates, adapted for geographic coordinate systems.
calculate_euclidean_distance(lon1, lat1, lon2, lat2, unit)List with minimum distance and corresponding index.
Origin longitude.
Origin latitude.
Destination longitude vector.
Destination latitude vector.
Distance unit.
The Euclidean distance calculates the straight-line distance between two points, adapted for geographic coordinates using spherical projection approximations. This implementation accounts for Earth's curvature by applying latitude corrections.