| Name | Description | Type | Package | Framework |
| CanberraDistance | Calculates the Canberra distance between two points. | Class | org.apache.commons.math3.ml.distance | Apache Commons |
| ChebyshevDistance | Class | org.apache.commons.math3.ml.distance | Apache Commons | |
| DistanceMeasure | Interface for distance measures of n-dimensional vectors. | Interface | org.apache.commons.math3.ml.distance | Apache Commons |
| EarthMoversDistance | Calculates the Earh Mover's distance (also known as Wasserstein metric) between two distributions. | Class | org.apache.commons.math3.ml.distance | Apache Commons |
| EuclideanDistance | Calculates the L2 (Euclidean) distance between two points. | Class | org.apache.commons.math3.ml.distance | Apache Commons |
| ManhattanDistance | Calculates the L1 (sum of abs) distance between two points. | Class | org.apache.commons.math3.ml.distance | Apache Commons |