- Cheap flights from Killeen (GRK) to Waterloo (ALO) (2026) | Expedia.co.id

A calm lake with a clear reflection of the sky and trees.

Popular airlines from Killeen, TX (GRK-Killeen-Fort Hood Regional) to Waterloo, IA (ALO-Waterloo Regional)

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Travel information

Origin airport	Killeen, TX
Destination airport	Waterloo, IA
Distance	1,364 km away

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