The twitter search API doesn't let you do near: queries by default. We can overcome this limitation using the Google Maps API. This way, you can use queries like 'baguette near:new york' or even 'ladies near:soho, london' in your twitter application.
This is a small JavaScript experiment by Janos P Toth, founder of PicFog real time image search and XWUZ Entertainment. If you like it, you should follow me on twitter, here.
Feel free to use this tool. However, note that this is not my nicest code ever, I'd rewrite it if I wanted to use it for anything serious.
If you're using it for commercial purposes, please buy me a dinner: