The binary sizes that Nim produces are as usual misrepresented. D and C will blow it out of the water. Here's some D code:

    import core.stdc.stdio;

    extern(C) void main()
    {
        printf("Hello, World!\n");
    }

Compile with:

    $ dmd -betterC main.d
    $ ls -h main

    -rwxrwxr-x 1 user group 8.5K Sep 24 12:39 main