I made a Delta-v calculator for KSP, it allows you to find the lowest DV requirements for a mission with many checkpoints, from/to any celestial bodies. : r/KerbalAcademy
Cheat sheet - Kerbal Space Program Wiki
Delta-v calculator Kerbal Space Program | by Tanmay Choudhary | Geek Culture | Medium
Kerbal Space Program (KSP) Delta V Calculator - YouTube