Open Location Codes are a way of encoding location into a form that is easier to use than latitude and longitude. Source for a website to demonstrate Open Location Codes. (https://github.com/google/open-location-code)

Geohashes based on latitude, longitude and radius

Returns the center of multiple coordinates, and the distance between two coordinates.

IP address to location mapping service. Free & paid API for a secure, fast & reliable IP lookup (city, country, latitude, longitude, timezone) - https://ipapi.co

JavaScript Latitude and Longitude Validation and Formatting

Latitude and longitude coordinates converter

Calculates the distance in meters between two latitude and longitude coordinates.

This module is to get elevation from terrain RGB tilesets by longitude and latitude.

Lightweight library for common latitude and longitude calculation

Get location details (latitude, longitude...) from IP visitor, server side NodeJS module

Determines if an array contains a valid set of numbers for representing latitude and longitude coordinates

Reverse geocoding to determine the location where it is contained (continent, country, region and state) from the latitude and longitude specified. This module also has tools to get lists of continents, country groupings, countries, regions and states in

Verify if geographic coordinates are valid 🌎 (latitude, longitude, both).

Look up Koppen climate classifications by latitude and longitude

Lightning fast longitude and latitude lookup for country and state codes

UTM to Latitude/Longitude converter and vice versa

High-precision True Solar Time (真太阳时) calculator featuring Longitude Compensation and Equation of Time, extracted from OpenFate.ai core engine.

A set of functions to format latitude and longitude angles

Latitude and longitude (GPS coordinates) for all ISO 3166-1 countries

get latitude and longitude by address without using google map api