The most common and most likely answer to this crossword clue is the 7 letter word YARDAGE
I've seen this crossword clue in The Sunday Telegraph
Y
A
R
D
A
G
E
More clues leading to the result YARDAGE
- How far, say, a vehicle must reverse
- Gosh, man turns up to make use of enclosed space!
- Distance, say, a cart reversed
- Policemen get older? It’s a measure of things!
- Distance travelled in reverse, for example, by a cart
- Distance covered reversing, say, a cart
- Measure of silver included in ready change
- In new arrangement ready to accept silver measurement
- Going uphill, say, a horse-drawn cart’s distance covered?
- Charge for use of a pen
Buddy explains!

The straight part
We know that "distance measured" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case distance measured = yardage.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does YARDAGE mean?
YARDAGE noun- An amount or length measured in yards.
- The use of a yard, or the fee charged for it.
- Territory.