This would be useful information to have collated, if you know any of these dimensions or have the opportunity to measure, please post it up and I'll update the list.
The N/A 4AT and N/A 5MT diffs have a smaller-diameter prop-flange and the N/A 6MT, T.T. 4AT and T.T. MT6 have a larger-diameter flange, but they're both the same length.
Prop-shafts with a sliding-yoke front cannot be mixed and matched with a flange-fronted prop because the flange-fronted props incorporate a slip-yoke in the centre-joint.
With some of these dimensions given, others can be calculated.
N/A auto: End of output-shaft splines to face of small-casing diff-flange without rubber do-nut = 43.5"
W58: End of output-shaft splines to face of small-casing diff-flange without rubber do-nut = ?
W58: End of output-shaft splines to face of large-casing-diff flange without rubber do-nut = ?
R154: End of output-shaft splines to face of small-casing diff-flange without rubber do-nut = ?
R154: End of output-shaft splines to face of large-casing-diff flange without rubber do-nut = ?
T.T. auto: Face of transmission-flange to face of small-casing diff-flange without rubber do-nut = ?
T.T. auto: Face of transmission-flange to face of large-casing-diff flange without rubber do-nut = ?
V160/1: Face of transmission-flange to face of small-casing diff-flange without rubber do-nut = ?
V160/1: Face of transmission-flange to face of large-casing-diff flange without rubber do-nut = ?