List Of Cities in the world??

[eluser]flyenig[/eluser]
How can i get a jquery auto suggest list of all the cities in the world.
(I know how to do the auto suggest already so please dont give me tutorials on how to do so, Thanks)

Is there a web service i can use? Can i use google's map api?
Or should i download one of those big databases with all the cities in the world? And if i was to import them to my own database would that be bad for my server since its like a huge file, like 65MB +.
And also the number of queries would be large because i plan on making this a large site.


If you didnt understand some of the things i said, please let me know, because i wrote this in a hurry,

Thanks!