According to our itinerary, you will visit the Gokyo Ri and Fifth Lake, which is nearby Cho Oyu Base Camp. To get to Cho Oyu Base Camp is a very long walk along the Ngozumpa Glacier, it won’t be possible to visit on the same day from Gokyo. I don’t think so you will get back to Gokyo in one day. Even though, if you would like to try, we are glad to assist you.