Well, you can get a cheap VPS in the US, or UK, or wherever the content is available, and run youtube-dl there. You can also use a proxy[1]. Unfortunately, I think socks proxies are not supported yet[1].

[1] https://rg3.github.io/youtube-dl/documentation.html#d5

[2] https://github.com/rg3/youtube-dl/issues/402