Nautical mile 1 sea mile", followed by "For most practical purposes distance is measured from the latitude scale, assuming that one minute of latitude equals one nautical mile". One tenth of a nautical mile is a cable length. The derived unit of speed is the knot, defined as one nautical mile per hour. The metre was originally defined as of the meridian arc from the North pole to the equator passing through Dunkirk. The Earth’s circumference is therefore approximately 40,000 km. The equatorial circumference is slightly longer than the polar circumference – the measurement based on this (40,075.017 km x x =
Nautical tourism Brazilian Ministry of Tourism has a website devoted to the subject. Puerto Rico has seen its share of growth in nautical tourism as well. Not to be outdone, the Chilean Economic Development Agency has launched the Chilean Patagonia Nautical Tourism Program to develop and attract nautical tourists to the Chilean coast. Nautical tourism is big business, even in the United States. In the Southeast, the Tennessee-Tombigbee Waterway, a meandering river and canal system that traverses Alabama and Mississippi linking the Tennessee River with the Gulf of Mexico, has become a favorite boating trail for nautical tourists who want a diverse