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Compute a time and distance matrix between a set of origins and destinations. Returns every source-to-target pair with distance in meters and duration in seconds. Unreachable pairs come back as null. Useful for logistics, dispatching, and finding the closest location from a set of options.

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Example prompts

  • “How long does it take to drive between each of these 4 warehouses?”
  • “Calculate travel times from our office to all 10 client locations”
  • “Which of these 3 restaurants is closest to my hotel by walking?”
  • “Build a distance matrix for these delivery origins and destinations”

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What you get back

A 2D matrix indexed by source and target, where each cell contains distance_meters and duration_seconds. Unreachable pairs come back as null. The matrix preserves the order of your input — matrix[i][j] is the route from sources[i] to targets[j]. If you need to verify how a coordinate snapped to the road network, call /v1/routing/locate — that’s the dedicated tool for snap diagnostics.