How best to have multiple geo locations query a database?

Hi all;
We are going to place our cloud service & web app in Azure datacenters in the US, EU, & Singapore. They all need to hit the same database, mostly for queries (selects). I'd prefer to not have them all hitting our Sql Azure database in the US as that
will make the EU and S/Pore sites slow.
What is the best way to handle this situation? It is the same data they all need to hit so I can't split it out by datacenter.
thanks - dave
What we did for the last 6 months -
Made the world's coolest reporting & docgen system even more amazing

For others that might hit this thread on a search - this can be done. You can set one DB as the primary and then have up to 4 secondary DBs that are read only. So for insert/updates, you have to hit the primary DB. But for selects, you can have 5 total
(primary plus 4 secondary) where you hit the closest one.
What we did for the last 6 months -
Made the world's coolest reporting & docgen system even more amazing

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