List of countries by road network size
This is a list of countries (or regions) by total road network size, both paved and unpaved. Also included is additional data on road network density and the length of each country or region's controlled-access highway network (also known as a motorway, expressway, freeway, etc.), designed for high vehicular traffic.
Source: Wikipedia — List of countries by road network size (CC BY-SA 4.0)