| PARSEC | A unit for measurement of distances of stars (6) |
| TOGRATING | Shut bars for measurement of insulation (3,6) |
| LEAGUE | Former unit of distance of varying length, typically three miles on land and three nautical miles at sea (6) |
| SPAN | Unit of distance of approximately 23 cm |
| RUNNING | General name for footracing over a variety of distances and courses and numbering among the most popular sports in nearly all times and places. (7) |
| PETS | The shortest of distances upsets the favourites (4) |
| LEAGUES | Historic measure of distances, roughly equivalent to three English miles (7) |
| RADIUS | Word, from "spoke, rod", for a measurement of distance from a centre point, whether in a mathematical or anatomical context (6) |
| VOLUME | A unit for measuring a structural component |
| METRIC | Came across Rick's short scale for measurement (6) |
| LENGTH | Span of a horse from nose to tail as a measure of the lead in a race; or, the distance of a swimming pool from one end to the other (6) |
| ANANKE | Former asteroid that orbits Jupiter at a distance of some 23 million miles. This irregularly shaped moon is named for the personification of fate and necessity in Greek literature. (6) |
| MEGAFLOP | A unit for measuring the speed of a computer system; or an informal term for a great failure (8) |
| ATARMS | The distance of a rifle away? (2,4,6) |
| NEPER | A unit for expressing a ratio of electrical quantities (5) |
| DIOPTRE | A unit for measuring the refractive power of a lens (7) |
| SUSSEX | ...... Stakes, Group 1 horse race at Goodwood over a distance of one mile (6) |
| LYCEUM | London theatre within walking distance of Covent Garden and Temple Tube stations (6) |
| METER | Length of a classroom "stick" used for measurement |
| DECIBEL | A unit for comparing two currents, voltages or power levels equal to one tenth of a bel (7) |
