How long can you go with a phono cable?

the thread below has some discussion on the topic. I've run 3 meters plus the 1 meter on the table without any complaints.

http://forum.audiogon.com/cgi-bin/fr.pl?eanlg&1120666746

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This is the most sensitive cable in the system for the reason you mentioned--very low signal. I think most agree that cables do make a difference, and in my experience this cable it's a difference x2 or more. Shorter is better which is why most are 1 to 1.5 m, but also the quality of the cable is very important, and price goes up with length. Thus if you can get by with a 1 or 1.5 meter you should. The cable length from a phono pre to the pre amp is much less critical. I have my phono pre close to the turntable, but then run a 2.5 meter cable to the pre-amp.

I agree with Rives, and would like to add that any cable especially phono are likely victims of RFI and EFI. This will be dependant on your system and enviroment. But I thought it might be a consideration in your decision.