The 24T is plenty low IMO. The last thing you want is 3 gears you don't use.
=== My Rohloff14 had 46/16T >> 21.8 to 114.6 GI. Yah I walked a bunch of times, no big deal still going 3.2 mph.
While the top end I also used just as much as the low. Comes very handy doing dips getting and keeping momentum.
Couple years ago I was using 44/ 16T unloaded around home doing century day miles. Didn't take much slope or tailwind to be in 13th gear already.