API Reference > geometry-core > ArraysAndInterfaces > IndexedXYZCollection > distanceIndexIndex distanceIndexIndex MethodAbstract Return distance between indicated points. distanceIndexIndex(index0: number, index1: number): number | undefined Parameter Type Description index0 number first point index index1 number second point index Returns - number | undefined Defined in core/geometry/src/geometry3d/IndexedXYZCollection.ts Line 129 Last Updated: 13 June, 2024