Bullitt filmed at Clarion Hotel, Millbrae. This hotel, since closed, stands in for a motel where Bullitt learns that a witness has been killed. On screen it's Thunderbolt Motel.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Millbrae and it tells you what was shot around you, how to get there, and whether you can actually go in.
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