DISTANCE, in general, an interval between two things, either with regard to time or place. See METAPHYSICS.
Accessible Distances, in geometry, are such as may be measured by the chain, &c. See GEOMETRY.
Inaccessible Distances, are such as cannot be measured by the chain, &c. by reason of some river, or the like, &c. which obstructs our passing from one object to another. See GEOMETRY.