The energy use is surprisingly low and distances of 100-300 km can remain highly efficient, even with diesel trucks and avg grid power. By intentionally developing/utilizing crushing plants near clean energy and farmland, this can be made even more efficient.

See Potential and costs of carbon dioxide removal by enhanced weathering of rocks https://iopscience.iop.org/article/10.1088/1748-9326/aaa9c4

Environmental life cycle assessment of CO2 sequestration through enhanced weathering of olivine https://legacy.projectvesta.org/wp-content/uploads/2019/06/E...

Enhanced Weathering: An Effective and Cheap Tool to Sequester Co2 https://link.springer.com/article/10.1007/s10584-005-3485-y