What measure of distance is equal to approximately 3 geographical or nautical miles?

The marine league is recognized as a unit of distance that is equivalent to approximately three geographical or nautical miles. This historical measure was commonly used in maritime contexts and retains its relevance in nautical charts and navigation. The marine league is defined as exactly three nautical miles, which situates its value directly in line with the question's context.

Nautical miles are based on the circumference of the Earth and are essential for maritime and aviation navigation. They differ from statute miles, which are the units used for land measurements. Therefore, the other units mentioned, including statute miles, fathoms, and chains, do not match the specific nautical measurement that the marine league does. Understanding this distinction between various units of measurement is crucial for anyone involved in surveying or navigation.