“far” in Japanese is 遠, read en, on, too (えん, おん, とお). It is a Grade 2 Kyōiku kanji, taught in year 2 of Japanese elementary school, and appears in words such as 遠い (far).
What does 遠 mean?
学校は遠いです。
Same sound, different character — the classic trap. Compare them side by side: