Airport Distance API

About the Airport Distance API

Supply two airport IATA codes to calculate the great-circle route distance in statute miles and kilometers together with estimated flight duration. Paid plans can query by four-letter ICAO codes and receive extra flight parameters, including nautical miles, initial compass bearing, timezone differences, passenger carbon estimates, and airport coordinates.

What people use it for

Flight Booking Summary

Travel booking platforms display flight distances and transit durations directly on ticket search results to give travelers accurate itinerary details.

Loyalty Points Calculation

To award frequent flyer status, loyalty management software measures flight mileage between departure and destination hubs for every passenger ticket.

Corporate Emissions Tracking

When logging business trips, corporate expense platforms look up route distances to audit travel policies and calculate flight carbon budgets.

Air Freight Planning

Estimate transit times and route mileage between airfield pairs before scheduling chartered cargo flights or aircraft repositioning legs.

Ways to call it

One endpoint, many ways in — REST with JSON, XML, YAML and CSV, plus GraphQL and an MCP interface for AI agents.

JSON

Default REST response

XML

Markup format

YAML

Human-readable

CSV

Tabular export

Beta

GraphQL

Query language

New

MCP

For AI agents

Request parameters — GET /v1/airportdistance

Sent in the query string. Premium parameters are accepted on every plan but only take effect on plans that include them. Anything not listed here is dropped rather than passed through.

Required

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curl "https://api.apiverve.com/v1/airportdistance?iata1=JFK&iata2=LAX" \
  -H "x-api-key: YOUR_API_KEY"

Authentication

Send your key in the x-api-key header. That is the only auth step — no token exchange, and no per-endpoint scope to configure.

Response — GET /v1/airportdistance

Every APIVerve endpoint returns the same three top-level keys, so one response handler covers your whole integration: status, error and data. Only data changes shape.

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{
  "status": "ok",
  "error": null,
  "data": {
    "distanceMiles": 2470.23,
    "distanceKm": 3974.2,
    "distanceNauticalMiles": 2145.12,
    "estimatedFlightTime": "5h 24m",
    "timezoneDiffHours": -3,
    "bearing": 265,
    "direction": "West",
    "isInternational": false,
    "carbonEstimateKg": 543,
    "airport1": {
      "name": "John F Kennedy International Airport",
      "iata": "JFK",
      "icao": "KJFK",
      "city": "New York",
      "state": "New-York",
      "country": "US",
      "elevation": 13,
      "latitude": 40.63980103,
      "longitude": -73.77890015,
      "timezone": "America/New_York"
    },
    "airport2": {
      "name": "Los Angeles International Airport",
      "iata": "LAX",
      "icao": "KLAX",
      "city": "Los Angeles",
      "state": "California",
      "country": "US",
      "elevation": 125,
      "latitude": 33.94250107,
      "longitude": -118.4079971,
      "timezone": "America/Los_Angeles"
    }
  }
}

Response fields

Paths are relative to data. Premium fields are absent rather than zeroed on plans that do not include them, so check for presence instead of comparing to 0.

Response headers

Every response carries your balance, so your own code always knows where it stands without polling anything. All four are exposed to browsers through CORS.

Errors

Read the HTTP status first, then error for the specific reason. The body names the parameter that has to change.

What a call costs — 2 credits per call

Credits are shared across every APIVerve API — one balance, one key, one bill. Failed requests never count against it, so a rejected input costs nothing.

Calls are what the credits buy at this API's rate — spend them here, on any of the other APIs, or across both. Nothing is reserved per endpoint.

Zero-code embed — one snippet, no backend

Drop an interactive Airport Distance form onto any page. The widget calls the API for you, so no key ever appears in your markup and there is nothing to deploy.

Changelog — Airport Distance API

Every change to this endpoint, newest first. Breaking changes ship as a new version and the previous one keeps serving — response fields are added, never removed or retyped in place, so an integration written against v1 keeps working.

Currently v1