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 =
Kentucky Route 240 of Plano. KY 240 enters northwestern Allen County before reaching its eastern terminus at a junction with US 231 in Allen Springs, which is located just about halfway between Bowling Green and Scottsville. Kentucky Route 240 Kentucky Route 240 (KY 240) is a rural, secondary, east–west state highway in Kentucky that runs from U.S. Route 68 and Kentucky Route 80 northeast of South Union to U.S. Route 231 southeast of Alvaton via Woodburn and Drake. KY 240 begins at a junction with U.S. Route 68 (US 68) and KY 80 just into Warren County right near the Logan County line