When calculating distances between two locations, many applications rely on APIs like Google Maps or OpenRouteService. However, these APIs require API keys, rate limits, and sometimes even payment for high usage.
This solution avoids all these issues by using Leaflet Routing Machine, which is an open-source routing engine based on OpenStreetMap (OSM) data. It works entirely in the browser, meaning:
This method is ideal for small to medium projects, educational purposes, or anyone who wants a hassle-free way to calculate distances using real-world roads.
Click two points on the map to calculate the shortest street network distance.