It's a long way to go, flying solo! (4)

I believe the answer is:

oslo

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'it's a long way to' is the definition.
I can't tell whether this definition defines the answer.

'flying solo' is the wordplay.
'flying' indicates anagramming the letters (letters fly around into new positions).
'solo' is an anagram of 'OSLO'.

'go' acts as a link.

Can you help me to learn more?

(Other definitions for oslo that I've seen before include "Nordic city" , "Northern city" , "Scandinavian city" , "Norway's capital city" , "Norwegian capital" .)

I've seen this clue in the Evening Standard.

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