Originally Posted by abmj-jr

I've never actually done that route by cab but have done Tokyo Station to Asakusa Station. It was around 2,000 yen. I can't imagine Asakusa to Tsukiji would be a lot more - maybe 2,500 - 3,000 yen.

Your title asks about how far from Ginza to Tsukiji, which is an entirely different proposition. Ginza is adjacent to Tsukiji - probably less than 1,000 yen cab ride or 20 minute walk although I wouldn't walk it at 4:00 am.