1 forever

2 eternal

1 distant

2 remote

1 far

2 distant

3 remote

4 (intensifier in a comparison) by far

5 much (lower etc)

1 to be far from

2 to keep away from

1 old

2 ancient

3 far away

1 no less than from heaven to the abyss (idiom); differing widely

2 worlds apart

3 the gap couldn't be bigger

1 He who gives no thought to far-flung problems soon finds suffering nearby (idiom, from Analects).

2 Smug concentration on the here and now will lead to future sorrow.

1 lit. a nobleman stays clear of the kitchen (idiom, from Mencius)

2 fig. a nobleman who has seen a living animal cannot bear to see it die, hence he keeps away from the kitchen

1 poles apart (idiom)

2 entirely different

1 lit. the sky is high and the emperor is far away (idiom)

2 fig. remote places are beyond the reach of the central government