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title: "KHYI · San Marcos Regional Airport | Underwing"
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> Index of every page on this site: [llms.txt](https://underwing.alrico.dev/llms.txt)

# **KHYI · San Marcos Regional Airport**

**Medium airport**

San Marcos, US · Elev. 597 ft

**Radius**

[Explore routes from here](https://underwing.alrico.dev/explore?from=KHYI)

## Nearby places

- [**KBAZ · New Braunfels National Airport**](https://underwing.alrico.dev/airport/KBAZ)

  Medium airport · 15 nm

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