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 =
Pennsylvania Route 240 Cookport. PA 240 turns northeast into more rural areas of farms and woods with some residences, heading east again. Farther east, the route comes to an intersection with PA 580 in the community of Uniontown. Past this intersection, the road heads into wooded areas with some homes. The route enters Susquehanna Township in Cambria County and becomes Peg Run Road, turning northeast and east through more forested areas of residences. PA 240 crosses the West Branch Susquehanna River and comes to its eastern terminus at an intersection with US 219. Pennsylvania Route 240 Pennsylvania Route 240 (PA 240) is an