If you're on a layover in Tokyo and looking for things to do, consider visiting Akihabara Electric Town, Ueno Koen, or Tsukiji Outer Market. Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market can be visited by traveling about 16.6 km, 18.4 km, and 12.6 km respectively from Tokyo Haneda.