What are six different methods to measure distances in Astronomy?
Using type Ia supernova light curves.

The RR Lyrae period-luminosity relation.

Moving cluster statistical parallax.

Surface brightness fluctuations.

Redshift-distance relation.

Using merging gravitational wave sources as standard sirens.

These and more can be pursued following this link. https://en.m.wikipedia.org/wiki/Cosmic_distance_ladder