If you sailed east from japan, you would end up hitting into California or baha California(part of Mexico), assuming that you didn't encounter a Pacific isle somewhere in between.
The Pacific Ocean. The Pacific Ocean is the world's largest ocean that stretches from the east coast of Japan to the west coast of California, US.
If you're asking "Where is Japan on a map of California?" then the answer is: Japan is not on a map of California. If you're asking "Where is Japan in relationship to California" then the answer is: Japan is on the other side of the Pacific Ocean.
Japan is east side of China.
It is the Sea of Japan.
Yes, Japan is directly east of Korea.
It is east of southern California.
Hawaii is much closer to California than to Japan. It is about 1/3 of the way from the US to Japan.
London is east of California
California
East of North Korea is the Sea of Japan (called the East Sea by Koreans) and on the other side of the Sea of Japan is JAPAN.
Japan :)