Talking of distances, here are some for open clusters.
https://www.univie.ac.at/webda/vdb.html
Diameters of Open Star Clusters
van den Bergh S., 2006, Astron. J. 131, 1559 (
2006AJ....131.1559V)
The link under the cluster name displays the WEBDA cluster page
Column contents:
- Name : cluster designation
- diameter : Cluster diameter in [pc]
- dist : Distance in [pc] (1 pc = 3.26 light years)
- Z : Distance from the galactic plane in [pc]
- EBV : Colour exces E(B-V)
- logt : logarithm of the age