Long.

Geography & Places abbreviation · Geographic Feature

Long.
Stands forLongitude
CategoriesGeography & Places

Long. stands for Longitude, a geographic feature abbreviation.

Angular distance east or west of the prime meridian at Greenwich, from 0 to 180 degrees, written long. or lon. in coordinates and GPS data.

Example: The ship's position was logged as lat. 35 S, long. 18 E, off the Cape.

Usage notes

The Greenwich meridian was adopted as the world's prime meridian at the 1884 International Meridian Conference. Programmers often write lon or lng, as in lat/lng pairs.

More geographic feature abbreviations

  • Hbr. – Harbor
  • Hts. – Heights
  • Is. – Island
  • Jct. – Junction
  • L. – Lake
  • Lat. – Latitude
  • MSL – Mean sea level
  • Mt. – Mount
  • Mtn. – Mountain
  • Mts. – Mountains
  • NF – National Forest
  • NHP – National Historical Park

See all 46 geographic feature abbreviations →