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 =
Missouri Route 240 Missouri Route 240 Route 240 is a highway in the central part of Missouri. Its eastern terminus is at Interstate 70/U.S. Route 40 about two miles (3 km) west of Columbia; its western terminus is at U.S. Route 65 in Marshall. Spur Route 240 connects the road with Rocheport. From 1922 until 1926, Route 240 from Rocheport to Fayette was Route 67. It was renumbered Route 3 in 1926; that route has since been extended north and truncated, leaving Route 240 behind. The highway was mentioned in the title of David R. Holsinger's four-movement piece "One Day In a Small