Translation guide
A guide to expressing the English phrase 'as far as' in Japanese, covering its use in limiting scope, expressing extent, and indicating distance.
To express 'to the extent that' or 'within the limits of' something, often used with verbs like know, remember, see, etc.
Used with verbs of knowing, seeing, remembering, etc. to mean 'as far as I know/see/remember'. A is a verb in dictionary form or past tense.
As far as I know, he won't come.
As far as I can see, there seems to be no problem.
A shorter form meaning 'as long as' or 'as far as', often used with verbs like 知る, 覚える. Slightly more formal or written.
As far as I know, he is innocent.
Used with verbs like 聞く, 見る, 調べる to mean 'according to' or 'from what I heard/saw/researched'. Similar to 'as far as I heard'.
As far as I heard, he moved away.
To express doing something to the maximum extent or as much as one can.
Means 'as much as possible' or 'as far as possible'. Very common and natural.
Please come as soon as possible.
Also means 'as much as possible', slightly more formal or written than できるだけ.
Formal expression meaning 'as far as possible' or 'to the extent possible'. Used in official contexts.
We will cooperate as far as possible.
To indicate a physical distance or limit in space.
The most common way to say 'as far as' a place. Simply use まで after the location.
I will go as far as Tokyo by train.
It's a 10-minute walk from here to the station.
Formal/literary expression meaning 'as far as' or 'even extending to'. Often used in written language.
We paid attention to every detail (as far as the smallest details).
To specify the topic or person you are talking about, often used to give an opinion.
Means 'as far as A is concerned' or 'regarding A'. Formal but common in speech and writing.
As far as that point is concerned, I disagree.
A more casual way to say 'as for A' or 'regarding A'. Very common in conversation.
As far as I'm concerned, don't worry about me.
Simply using the topic marker は can often convey 'as far as A is concerned' in context, especially when contrasting.
As far as I'm concerned, I'm fine.
Do not directly translate 'as far as' word-for-word into Japanese. The phrase has multiple functions in English, and each requires a different Japanese expression. Using a single Japanese word for all cases will sound unnatural.
Both can mean 'as far as I know/heard', but 限りでは is used with verbs of cognition like 知る, 見る, 覚える, while ところでは is used with verbs of information gathering like 聞く, 調べる, 読む. 限りでは emphasizes the limit of one's knowledge; ところでは emphasizes the source of information.
I want to inform as many people as possible.
なるべく早く返事をください。
Please reply as soon as possible.