Norway and Russia share a border. So it may be easier than at first glance.

http://en.wikipedia.org/wiki/Norway%E2%80%93Russia_border

I think the comment was intending to highlight the fact that multiple international organisations are trying to arrest Snowden and his appearance at the awards would put him in jeopardy, not that travel logistics might be an issue.

Which international organizations are trying to arrest Snowden?

(Only States can do it..)