Distances in metres and travel times in minutes between the French cities with at least 50,000 inhabitants (french_cities).
Format
Numeric matrices with 121 rows and 121 columns
An object of class matrix (inherits from array) with 121 rows and 121 columns.
Source
Geo API (2025) https://geo.api.gouv.fr/
OpenStreetMap https://www.openstreetmap.org
Details
Both data sets are square matrices of dimension (121, 121). If D is one of
the matrices, D[i,j] is the distance from the city with id rownames(D)[i]
to the city with id colnames(D)[j] expressed in metres
(french_cities_distances) or in minutes (french_cities_times). The
distance is measured along the fastest path from i to j on the French road
network as computed by the OSRM engine (see
details below). Ids in
column and row names can be used to get information on the cities in the
french_cities data set (column id). Rows and columns are sorted in
decreasing order of population, as in french_cities. Note that the matrices
are not symmetric.
Distance calculation
The distances and durations have been computed using the OSRM engine in version 6.0.0.
Calculations are based on the car profile included in the OSRM sources
of version 6.0.0.
French roads are provided by OpenStreetMap under the Open Data Commons Open Database License (ODbL). The GeoFabrik export dated 2025-11-07T21:20:50Z was used.