The phrase "far fling" refers to a long distance or remote location. Its spelling can be explained using the International Phonetic Alphabet (IPA): /fɑr flɪŋ/. The first syllable, /fɑr/, is pronounced with an open back rounded vowel, which is followed by the consonant cluster /fl/, making a fricative /f/ sound and a lateral /l/ sound. The final syllable, /ɪŋ/, is pronounced with a nasal velar stop, which corresponds to the letter "ng" in traditional spelling. Together, these sounds create the distinct pronunciation and spelling of "far fling."
There seems to be no widely recognized etymology for the term "far fling". As of my knowledge, "far fling" is not a commonly used phrase or term in English. It is possible that it could be a personal or regional expression without a specific etymology.