There is what they call the "21 ft. rule " for handgun practice for personal protection, so that would make it 7yds. and then 15 and 10 ft. Drawing from a concealed carry with 2 well placed shots in 1.5 seconds or under is standard .
For hunting and bullseye 50 ft indoors and 25 and 50 yards. If only for hunting with a gun like a Contender for most 150yard would be about max.