na-adjective, noun
at long distance; in long intervals
Describes something being far apart in space or time; often used as an adjectival noun (e.g., 間遠な, 間遠に).
彼の家はここから間遠な場所にある。
His house is located at a long distance from here.
バスは間遠にしか来ない。
The bus comes only at long intervals.