I think there are some interesting strategies to glean from this article on local search. Also, see this article.
While these articles are targeted at small businesses and lawyers, respectively, I think the principles of local search optimization are important for local churches and ministries as well.

I believe that the internet provides today's church with a historic opportunity .... to tell the old, old story of Jesus and His love in ways which could only have been imagined in times past. The objective of this website is to explore the various ways in which today's technology can be used to spread the gospel around the world.
