The most common and most likely answer to this crossword clue is the 8 letter word REMOTELY
I've seen this crossword clue in The Times
R
E
M
O
T
E
L
Y
Buddy explains!

The straight part
We know that "at a distance" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case at a distance = remotely.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 REMOTELY mean?
REMOTELY adverb- At a distance, far away.
- Not much; scarcely; hardly.