The most common and most likely answer to this crossword clue is the 7 letter word ICELAND
I've seen this crossword clue in The Sunday Telegraph
I
C
E
L
A
N
D
More clues leading to the result ICELAND
- Island republic, one beginning to conserve antelope?
- I caught large antelope … in unlikely country!
- Country album maybe full of panache I put at No. 1
- Country lad, nice in an odd sort of way
- Country shop that sold knackered horses?
- Where you may see reindeer I see antelope
- One spring flower missing in eastern nation
- Country clubs in unexpected denial
- Country responsible for taking control of wild animal
- Country dancing nice with lad
Buddy explains!

The straight part
We know that "country with greater latitude" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case country with greater latitude = iceland.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.