North - South, or South - North depending where you are standing at the time of the question
Latitude lines run east-west, but measure north and south. Longitude lines run north-south, but measure east and west.
Longitude lines run from pole to pole.
longitude
East-West
Longitude
vertically
Lines of Longitude
Lines of latitude run round the earth parallel to the Equator. Lines of longitude run from pole to pole, crossing the Equator at 90 degrees.
Lines of longitude run North-South.
Lines of Longitude are imaginary lines that run from the North Pole to the South Pole. The main line of longitude, the Prime Meridian (zero longitude), passes through the Greenwich Observatory, London, England.
lines of longitude are lines drawn north and south and measure east and west a famous line of longitude is the Prime meridian
north to south