GEODist 13.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
GEODist is a console based multi-platform(MP) distance calculator. Using the haversine formula it will calculate the great-circle distances between two points on a sphere from their longitudes and latitudes. Features: Quick calculation coded in ASM. Calculate using the haversine formula. Option to specify Planet Radius.