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GET /v1/distance

Great-circle distance

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/geo-api

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Code snippets

curl "https://api.oanor.com/geo-api/v1/distance" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/geo-api/v1/distance", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/geo-api/v1/distance");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/geo-api/v1/distance",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "to": {
            "lat": 48.857,
            "lon": 2.352
        },
        "from": {
            "lat": 52.52,
            "lon": 13.405
        },
        "unit": "km",
        "bearing": 246.75,
        "distance": 877.4535
    },
    "meta": {
        "timestamp": "2026-05-30T09:00:25.517Z",
        "request_id": "9e0c1b09-e4a2-42e5-965d-e7aa575c5635"
    },
    "status": "ok",
    "message": "Distance computed",
    "success": true
}