What is the meaning of далеко?

far, far off, far away

a long way

short neuter singular of далёкий (daljókij)

far (distance)

long ago

very, by far (+ comparative)

far (followed by the preposition від + genitive case)

absolutely not, far from being (in the expression "далеко не", in which далеко is emphatic)

Source: wiktionary.org