qibla/.github/wiki/api/functions/distanceKm.md
Aric Camarata a59756bd07 docs: add TypeDoc API generation (typedoc@0.28.19 + typedoc-plugin-markdown@4.11.0)
Add typedoc and typedoc-plugin-markdown as devDependencies. Add typedoc.json config
targeting src/index.ts with markdown output to .github/wiki/api. Add docs script to
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Part of T-E8-03 — TypeDoc automation for all 12 JS/TS packages.
2026-05-30 16:41:58 -04:00

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[**@acamarata/qibla v1.1.1**](../README.md)
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[@acamarata/qibla](../README.md) / distanceKm
# Function: distanceKm()
> **distanceKm**(`lat1`, `lng1`, `lat2`, `lng2`): `number`
Defined in: [index.ts:142](https://github.com/acamarata/qibla/blob/1546cd5c71a68dd73136e918b6f3f7f195fb5cc7/src/index.ts#L142)
Haversine distance between two coordinate pairs.
## Parameters
### lat1
`number`
First point latitude in decimal degrees.
### lng1
`number`
First point longitude in decimal degrees.
### lat2
`number`
Second point latitude in decimal degrees.
### lng2
`number`
Second point longitude in decimal degrees.
## Returns
`number`
Distance in kilometers (spherical Earth approximation).