The Amount of Space Between Two People or Things
This page is the CodyCross answer for the clue below from Underground Worlds, Group 2168, Puzzle 2 (Mammoth Cave).
Question is: The Amount of Space Between Two People or Things
and the answer is: DISTANCE
Word Meaning:
DISTANCE — An amount of space between points (often geographical points), usually (but not necessarily) measured along a straight line.
Definitions from Wiktionary.