Follow these steps :

1. Go to Google maps.
2. Go to "Get Directions."
3. Type Japan as the start location....
4. Type China as the end location.
5. Go to direction #43

try another one : Japan to USA see direction #27

i definitely won't try this direction from Google :-D

But , tell me if you get the new one , i'll update this post and tell that you are the one who find it :-)